int frac{sin^2x}{cos^6x}dxis a:...

`int frac{sin^2x}{cos^6x}dx`is a:

A

Polynomial of degree 5 in sin x

B

Polynomial of degree 4 in tan x

C

Polynomial of degree 5 in tan x

D

Polynomial of degree 5 in cos x

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The correct Answer is:

C

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