From a4b23f11d0c2ce45ec0134c951c070d3cb364063 Mon Sep 17 00:00:00 2001
From: baskaodo <44110340+baskaodo@users.noreply.github.com>
Date: Mon, 15 Oct 2018 23:00:33 +0200
Subject: [PATCH] attached link to descriptive image (#18873)

* attached link to descriptive image

* Update index.md
---
 .../mathematics/intro-to-the-trigonometric-ratios/index.md  | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/client/src/pages/guide/english/mathematics/intro-to-the-trigonometric-ratios/index.md b/client/src/pages/guide/english/mathematics/intro-to-the-trigonometric-ratios/index.md
index a8b5ce47a0..2a18973e16 100644
--- a/client/src/pages/guide/english/mathematics/intro-to-the-trigonometric-ratios/index.md
+++ b/client/src/pages/guide/english/mathematics/intro-to-the-trigonometric-ratios/index.md
@@ -3,11 +3,9 @@ title: Intro to the Trigonometric Ratios
 ---
 ## Intro to the Trigonometric Ratios
 
-This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/mathematics/intro-to-the-trigonometric-ratios/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+All of the trigonometric functions of an angle θ can be constructed geometrically in terms of a unit circle centered at O.
 
-<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
-
-<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+https://en.wikipedia.org/wiki/Trigonometry#/media/File:Circle-trig6.svg
 
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