(b) If t = tan = tan = 12¹ 2' prove 1+ sinx+cos x 1+ sinx-cos x = cot N|X

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 40E
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(b) If t=
X
an, prove
= tan
1+ sin x+cos x
1+ sinx-cos x
= cot/2.
Transcribed Image Text:(b) If t= X an, prove = tan 1+ sin x+cos x 1+ sinx-cos x = cot/2.
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