1+cos(21) 2 cos(t) sin(2t) cos(t) 2sin(t)-1 -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 19E
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I need help with proving this identity
1+cos(21)
2 cos(t)
sin(2t) cos(t) 2sin(t)-1
-
Transcribed Image Text:1+cos(21) 2 cos(t) sin(2t) cos(t) 2sin(t)-1 -
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