2-2 cos 2a sec2 a-1 d) sin ( - x) cot (+ x) = - -sin x c) 2 sin 2a tan a
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 30RE
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solve c and d by proving that LHS is equal to RHS
Either Do both parts
Otherwise skip
I vll devote if u do only ist part
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