sin(2n - 1)x sin nx If dx, then prove that sin x 2 sin x U -U, =: -1, =U and find 1, = 2
sin(2n - 1)x sin nx If dx, then prove that sin x 2 sin x U -U, =: -1, =U and find 1, = 2
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 11E
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