How To Use Reference Angles to Evaluate Trigonometric Functions

Published: 14 October 2017
on channel: The Organic Chemistry Tutor

569,131

7.3k

This trigonometry video tutorial explains how to use reference angles to evaluate trigonometric functions such as sine, cosine, tangent, secant, cosecant, and cotangent with positive and negative angles in radians and degrees.. You need to have a good understanding of right triangle trigonometry, SOHCAHTOA, 30-60-90 triangle and the 45-45-90 triangle. This tutorial contains plenty of examples and practice problems.

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