MathsCasts: Trigonometric Ratios in all Quadrants: Part 2

By
Gonzalez, M. (Maria)
(2012)

Video

Explains how to deal with the trig ratios of angles above 90. By using the unit circle the sign of the trig ratios in all quadrants are obtained. Second part

Published by:

Swinburne Commons

DOER Persistent Identifier: http://doer.col.org/handle/123456789/6995
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