Prove sin 2 x = 2 cot x / 1+ cot 2 x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 26E
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Prove sin 2 x = 2 cot x / 1+ cot 2 x
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We have to prove the given equation
We will use here following trigonometric ratio and identities:
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