Question
Asked Oct 20, 2019
Rewrite the expression as a sum or difference, then simplify if possible.
10 sin 6x cos 4x
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Rewrite the expression as a sum or difference, then simplify if possible. 10 sin 6x cos 4x

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Expert Answer

Step 1

Step 2

Rewrite the expre...

10sin 6x cos 4x= 5 (2 sin 6xcos 4x)
-5(sin (6x+ 4x)+sin (6x-4x))
=5(sin (10x)+sin (2x)
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10sin 6x cos 4x= 5 (2 sin 6xcos 4x) -5(sin (6x+ 4x)+sin (6x-4x)) =5(sin (10x)+sin (2x)

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