MarkleSparkle14 MarkleSparkle14

30-05-2017
Mathematics

contestada

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 [tex] cos^{3}x + \frac{cosx}{csc^{2}x} [/tex]
a.) sec x
b.) cos x + sin x
c.) cos x
d.) 2cos^3x

Respuesta :

jimthompson5910 jimthompson5910

30-05-2017

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.

Ver imagen jimthompson5910

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