HELP! I've tried doing it, but every time I don't get any of the options. What is the simplified form of the expression cos^(3)x + (cosx)/(csc^(2)x) a.) sec x b.) cos x + sin x c.) cos x d.) 2cos^3x

asked Dec 11, 2018 111k views

1 vote

HELP! I've tried doing it, but every time I don't get any of the options.

What is the simplified form of the expression
cos^(3)x + (cosx)/(csc^(2)x)

a.) sec x
b.) cos x + sin x
c.) cos x
d.) 2cos^3x

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5 votes

The final answer is choice C) cos(x)

Have a look at the attached image to see my work on how I got that answer.

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