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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} sin(2n - 1)x
U, =
sin nx
If
then
prove
that
sin x
sın
U 1-U,
1,+1 -1, =U and find t.
2
=-:t
n+1
Transcribed Image Text:} sin(2n - 1)x U, = sin nx If then prove that sin x sın U 1-U, 1,+1 -1, =U and find t. 2 =-:t n+1
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