{"id":2260,"date":"2016-11-04T13:50:24","date_gmt":"2016-11-04T16:50:24","guid":{"rendered":"http:\/\/hnaranjo.com\/blog\/?p=2260"},"modified":"2016-11-15T01:44:04","modified_gmt":"2016-11-15T04:44:04","slug":"funciones-trigonometricas","status":"publish","type":"post","link":"http:\/\/hnaranjo.com\/blog\/funciones-trigonometricas\/","title":{"rendered":"<h3> Funciones Trigonom\u00e9tricas.<\/h3> <h5> 2016 - Matem\u00e1tica VI - 6\u00ba A\u00f1o<\/h5>"},"content":{"rendered":"<div style=\"text-align: justify;\">\n<p><h6>Funciones Trigonom\u00e9tricas.<\/h6>\n<p>Las funciones trigonom\u00e9tricas son funciones cuyos valores son extensiones del concepto de raz\u00f3n trigonom\u00e9trica, en un tri\u00e1ngulo rect\u00e1ngulo trazado en una circunferencia unitaria (de radio unidad).<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/59B.gif\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/59B.gif?resize=300%2C300\" alt=\"Funciones trigonom\u00e9tricas\" width=\"300\" height=\"300\" class=\"aligncenter size-full wp-image-2270\" \/><\/a><\/p>\n<p><strong>\u00c1ngulos orientados. Sistemas de medici\u00f3n.<\/strong><br \/>\nEn Trigonometr\u00eda es importante la orientaci\u00f3n o sentido que tienen los \u00e1ngulos. La misma est\u00e1 determinada por la direcci\u00f3n en que gira uno de sus rayos, mientras el otro permanece fijo.<br \/>\nSe considera \u00e1ngulo positivo al que gira en sentido contrario al giro de las agujas del reloj. Mientras que se denomina \u00e1ngulo negativo cuando gira en el mismo sentido. Y alternativamente, se denominan sentido antihorario u horario, en cada caso.<br \/>\nDependiendo del cuadrante en que se halle el lado terminal de un \u00e1ngulo se dice que este \u00e1ngulo es del cuadrante I, II, III o IV.<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/orientacion.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/orientacion.png?resize=375%2C450\" alt=\"Funciones trigonom\u00e9tricas: orientaci\u00f3n de \u00e1ngulos.\" width=\"375\" height=\"450\" class=\"aligncenter \" \/><\/a><\/p>\n<p>Se llama \u00e1ngulo centrado a todo \u00e1ngulo orientado con v\u00e9rtice 0; es decir que coincida con el origen de un sistema de ejes cartesianos.<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/angulo-centrado.jpeg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/angulo-centrado.jpeg?resize=297%2C300\" alt=\"Funciones trigonom\u00e9tricas: \u00e1ngulo centrado\" width=\"297\" height=\"300\" class=\"aligncenter size-medium wp-image-2266\" srcset=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/angulo-centrado.jpeg?resize=297%2C300 297w, https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/angulo-centrado.jpeg?resize=300%2C303 300w, https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/angulo-centrado.jpeg?w=541 541w\" sizes=\"auto, (max-width: 297px) 100vw, 297px\" \/><\/a>\n<\/p>\n<p><h6>Sistemas de medici\u00f3n de \u00e1ngulos.<\/h6>\n<p>Se entiende por sistemas de medici\u00f3n angular a la clase de mediciones sobre un arco de circunferencia en un plano. Son un cap\u00edtulo b\u00e1sico en el estudio de la trigonometr\u00eda, por lo tanto, para comprender estos sistemas se debe conocer el concepto de \u00e1ngulo trigonom\u00e9trico. El mismo, es una figura formada por la rotaci\u00f3n de un rayo alrededor de un punto fijo (llamado v\u00e9rtice), desde una \u00abposici\u00f3n inicial\u00bb llamado lado inicial, hasta una \u00abposici\u00f3n final\u00bb denominado lado final (o lado terminal). Este \u00e1ngulo puede superar el orden de los 360\u00ba a diferencia del \u00e1ngulo geom\u00e9trico.\n<\/p>\n<p><h6>Sistema sexagesimal.<\/h6>\n<p>El sistema sexagesimal es un sistema de numeraci\u00f3n posicional que emplea como base aritm\u00e9tica el n\u00famero 60; y se usa para medir tiempos (horas, minutos y segundos) y \u00e1ngulos (grados) principalmente.<br \/>\nSu unidad de medida es el grado sexagesimal (1\u00ba) que se obtiene dividiendo la circunferencia en 360 partes iguales. Por lo tanto, 90 partes suman 90 grados (90\u00ba) y forman un \u00e1ngulo recto.<br \/>\nSubm\u00faltiplos:<br \/>\nEn primer lugar tenemos el <em>Minuto Sexagesimal<\/em> (1`)  1` = 1\u00ba \/ 60 => 1\u00ba = 60`. Finalmente, est\u00e1 tambi\u00e9n el <em>Segundo Sexagesimal<\/em> (1\u00ab)  1\u00ab = 1` \/ 60 => 1` = 60\u00ab<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Sistema-sexagesimal.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Sistema-sexagesimal.jpg?resize=450%2C340\" alt=\"Funciones trigonom\u00e9tricas: sistema sexagesimal\" width=\"450\" height=\"340\" class=\"aligncenter \" \/><\/a>\n<\/p>\n<p>Nos ayudamos con un v\u00eddeo para comprender mejor:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/sWo40WwuDFY\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/sWo40WwuDFY<\/span><\/div>\n<p><h6>Sistema radial.<\/h6>\n<p>En este sistema la unidad de medida es el radi\u00e1n (1 rad). Un radi\u00e1n es la unidad de medida de un \u00e1ngulo con v\u00e9rtice en el centro de un c\u00edrculo cuyos lados son cortados por el arco de la circunferencia, y que adem\u00e1s dicho arco tiene una longitud igual a la del radio.<br \/>\nEl radi\u00e1n es una unidad sumamente \u00fatil para medir \u00e1ngulos, puesto que simplifica los c\u00e1lculos, ya que los m\u00e1s comunes se expresan mediante sencillos m\u00faltiplos o divisores de \u03c0.<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Sistema-radial.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Sistema-radial.jpg?resize=450%2C340\" alt=\"Funciones trigonom\u00e9tricas: sistema radial\" width=\"450\" height=\"340\" class=\"aligncenter \" \/><\/a>\n<\/p>\n<p>Este v\u00eddeo nos aclara el concepto:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/1ugM9UGRND0\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/1ugM9UGRND0<\/span><\/div>\n<p>Los v\u00eddeos siguientes nos ayudar\u00e1n a realizar conversiones entre sistemas:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/sSw6wvxUiTY\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/sSw6wvxUiTY<\/span><\/div>\n<p><\/br><\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/-AR42voyFuQ\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/-AR42voyFuQ<\/span><\/div>\n<h6>Razones trigonom\u00e9tricas de un mismo \u00e1ngulo agudo.<\/h6>\n<p>Las razones trigonom\u00e9tricas de un \u00e1ngulo agudo \uf020son las distintas razones que hay entre los lados de un tri\u00e1ngulo rect\u00e1ngulo respecto a uno de sus \u00e1ngulos agudos.<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Razones-trigonometricas.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Razones-trigonometricas.jpg?resize=450%2C340\" alt=\"Funciones trigonom\u00e9tricas: razones trigonom\u00e9tricas\" width=\"450\" height=\"340\" class=\"aligncenter \" \/><\/a>\n<\/p>\n<p>Ahora compartimos el siguiente video que nos ayudara a comprender:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/SIpe683DA9Y\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/SIpe683DA9Y<\/span><\/div>\n<p><\/p>\n<p><h6>Identidad Pitag\u00f3rica.<\/h6>\n<p>Las razones trigonom\u00e9tricas de un \u00e1ngulo est\u00e1n relacionadas entre s\u00ed. Para deducir esas relaciones basta tener en cuenta que en todo tri\u00e1ngulo rect\u00e1ngulo se cumple el Teorema de Pit\u00e1goras, que dice:<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/pitagoras.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/pitagoras.png?resize=450%2C225\" alt=\"Funciones trigonom\u00e9tricas: teorema de pit\u00e1goras\" width=\"450\" height=\"225\" class=\"aligncenter \" \/><\/a><br \/>\nEn funci\u00f3n del mismo podemos deducir la relaci\u00f3n fundamental de la trigonometr\u00eda, que es:<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Relacion-fundamental.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Relacion-fundamental.jpg?resize=450%2C312\" alt=\"Funciones trigonom\u00e9tricas: relaci\u00f3n fundamental\" width=\"450\" height=\"312\" class=\"aligncenter \" \/><\/a><br \/>\nCon esta relaci\u00f3n, conocida una de las razones trigonom\u00e9tricas podremos calcular las otras de manera exacta.\n<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/zaifr9Qqk3s\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/zaifr9Qqk3s<\/span><\/div>\n<p><h6>Identidades Trigonom\u00e9tricas.<\/h6>\n<p>Una identidad trigonom\u00e9trica es una igualdad entre expresiones que contienen funciones trigonom\u00e9tricas. Es v\u00e1lida para todos los valores del \u00e1ngulo en los que est\u00e1n definidas las funciones (y las operaciones aritm\u00e9ticas involucradas).<br \/>\nNotaci\u00f3n: se define sen<sup>2<\/sup>\u03b1 como (sen \u03b1)<sup>2<\/sup>. Lo mismo se aplica a las dem\u00e1s funciones trigonom\u00e9tricas.<br \/>\nDos relaciones fundamentales son:<br \/>\nLa relaci\u00f3n pitag\u00f3rica:<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Relacion-pitagorica.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Relacion-pitagorica.jpg?resize=174%2C48\" alt=\"Funciones trigonom\u00e9tricas: relaci\u00f3n pitag\u00f3rica\" width=\"174\" height=\"48\" class=\"aligncenter size-full wp-image-2294\" \/><\/a><br \/>\nIdentidad de la raz\u00f3n tangente:<br \/>\n<a href=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Tangente.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/hnaranjo.com\/blog\/wp-content\/uploads\/2016\/11\/Tangente.jpg?resize=109%2C44\" alt=\"Funciones trigonom\u00e9tricas: tangente\" width=\"109\" height=\"44\" class=\"aligncenter size-full wp-image-2295\" \/><\/a><\/p>\n<figure style=\"width: 579px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/e\/e4\/ANGULOS_NOTABLES.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/e\/e4\/ANGULOS_NOTABLES.png\" width=\"579\" height=\"360\" alt=\"Funciones trigonom\u00e9tricas: \u00e1ngulos notables\" class=\"size-medium\" \/><\/a><figcaption class=\"wp-caption-text\">Funciones trigonom\u00e9tricas de \u00e1ngulos notables. Fuente: https:\/\/es.wikipedia.org\/<\/figcaption><\/figure>\n<p>El v\u00eddeo que sigue nos habla del concepto de identidad trigonom\u00e9trica:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/9lrw4qkglA4\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/9lrw4qkglA4<\/span><\/div>\n<p><\/p>\n<p>En este caso podemos ver como se resuelve una identidad trigonom\u00e9trica por demostraci\u00f3n:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/cmco_-I1KEI\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/cmco_-I1KEI<\/span><\/div>\n<p><\/br><\/p>\n<p>Aqu\u00ed veremos como se resuelve una identidad trigonom\u00e9trica por simplificaci\u00f3n:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/_7SVKP74Pn4\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/_7SVKP74Pn4<\/span><\/div>\n<p><h6>Ecuaciones trigonom\u00e9tricas.<\/h6>\n<p>Una ecuaci\u00f3n trigonom\u00e9trica es una igualdad que contiene expresiones trigonom\u00e9tricas y que es v\u00e1lida \u00fanicamente para ciertos valores de los \u00e1ngulos. En una ecuaci\u00f3n trigonom\u00e9trica la inc\u00f3gnita es el \u00e1ngulo; por lo tanto resolver una ecuaci\u00f3n de este tipo es hallar el valor o los valores (si existen) del \u00e1ngulo que cumpla la igualdad.\n<\/p>\n<p>Los v\u00eddeos que siguen nos ayudar\u00e1n a resolver ecuaciones trigonom\u00e9tricas:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/EN7S3jzkmLs\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/EN7S3jzkmLs<\/span><\/div>\n<p><\/br><\/p>\n<p>En este caso tenemos un ejercicio mas complejo:<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/2Poj4GNWJ7k\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/2Poj4GNWJ7k<\/span><\/div>\n<p><\/br><\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/gfCpZCq8MIk\" width=\"620\" height=\"460\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><span style=\"font-family: inherit; font-size: xx-small; color: #000000;\">Fuente: https:\/\/www.youtube.com\/embed\/gfCpZCq8MIk<\/span><\/div>\n<p><\/br><\/p>\n<p>Aqu\u00ed pueden bajar la <a href=\"https:\/\/app.box.com\/s\/nwldtnuklpt69ebebrx071xja6bn9b23\" target=\"_blank\">Nota de c\u00e1tedra<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Funciones Trigonom\u00e9tricas. Las funciones trigonom\u00e9tricas son funciones cuyos valores son extensiones del concepto de raz\u00f3n trigonom\u00e9trica, en un tri\u00e1ngulo rect\u00e1ngulo trazado en una circunferencia unitaria (de radio unidad). \u00c1ngulos orientados. Sistemas de medici\u00f3n. En Trigonometr\u00eda es importante la orientaci\u00f3n o sentido que tienen los \u00e1ngulos. La misma est\u00e1 determinada por <a class=\"mh-excerpt-more\" href=\"http:\/\/hnaranjo.com\/blog\/funciones-trigonometricas\/\" title=\" Funciones Trigonom\u00e9tricas.  2016 - Matem\u00e1tica VI - 6\u00ba A\u00f1o\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":2,"featured_media":1573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[188],"tags":[252,249,253,256,247,254,255,251,248,250],"class_list":["post-2260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matem","tag-cosecante","tag-coseno","tag-cotangente","tag-ecuaciones-trigonometricas","tag-funciones-trigonometricas","tag-identidad-pitagorica","tag-identidades-trigonometricas","tag-secante","tag-seno","tag-tangente"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Funciones Trigonom\u00e9tricas. - El Profe Virtual<\/title>\n<meta name=\"description\" content=\"Funciones Trigonom\u00e9tricas. \u00c1ngulos orientados. 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