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can i get some help please

0 votes

Simplify the trigonometric expression.

cos3 x + cos x sin2 x

asked Mar 20, 2016 in PRECALCULUS by anonymous

1 Answer

0 votes

The trigonometric expression is image.

image

image

Apply trigonometric identity: image.

image

image

image

answered Mar 21, 2016 by Sammi Mentor

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