(a) Let m and n be positive integers. Show that T if m = n, sin mæ sin næ dx 0 if m + n.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 105E
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(a) Let m and n be positive integers. Show that
T if
m = n,
sin mæ sin næ dx =
0 if
m + n.
Transcribed Image Text:(a) Let m and n be positive integers. Show that T if m = n, sin mæ sin næ dx = 0 if m + n.
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