Prove each identity a. b. 2 tan x 1 + tan² x 1 - sin² x cot² x = sin 2x 1 - cos²x
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section1.3: Definition I: Trigonometric Functions
Problem 82PS: Find tan if sin =45 and terminates in QII. a. 43 b. 35 c. 53 d. 34
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Transcribed Image Text:Prove each identity
a.
b.
2 tan x
1 + tan² x
1 - sin² x
cot² x
= sin 2x
= 1 - cos² x
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