Trigonometric Identities
Trigonometric Identities
Trigonometric Identities
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Example 2<br />
Copyright © 2009 Pearson Addison-Wesley 1.1-14<br />
USING COFUNCTION IDENTITIES TO<br />
FIND θ<br />
Find an angle that satisfies each of the following:<br />
(a) cot θ = tan 25<br />
(b) sin θ = cos (–30 )<br />
5.2-14