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Asked Mar 19, 2020
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Write the trigonometric expression in terms of sine and cosine, and then simplify.
cos(u) + sin(u) tan(u)
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Write the trigonometric expression in terms of sine and cosine, and then simplify. cos(u) + sin(u) tan(u)

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Expert Answer

Step 1

Given trigonometric expression is

Trigonometry homework question answer, step 1, image 1

Step 2

Use the below trigonometric identity to rewrite the given expression in terms of since and cosine.

Trigonometry homework question answer, step 2, image 1

Plug it in above expression

Trigonometry homework question answer, step 2, image 2

Step 3

Simplify

Trigonometry homework question answer, step 3, image 1

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