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Write sin(2x) cos(6x) as a sum of trigonometric functions.
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3 votes
Write sin(2x) cos(6x) as a sum of trigonometric functions.

User Stefan Zobel
by
7.9k points

1 Answer

4 votes
use the identity

sin u cos v = 1/2(sin (u + v) + sin(u - v))
so its:-

1/2(sin(8x) + sin (-4x)) Answer

User Szatkus
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8.1k points
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