Prove the following: sin² 0 – cos² 0 = 1– 2cos² 0 %3D

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter4: Graphing And Inverse Functions
Section: Chapter Questions
Problem 20CT
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Prove the following:
3. Prove the following: sin? 0 – cos² 0 =1-2cos² 0
Transcribed Image Text:3. Prove the following: sin? 0 – cos² 0 =1-2cos² 0
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