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Let P(n)(u) be a polynomial is u of degr...

Let `P_(n)(u)` be a polynomial is u of degree n. Then, for every positive integern, `sin 2n x` is expressible is

A

`P_(2n)( sin x)`

B

`P_(2n)(cos x)`

C

`cos x P_(2n)-1(sin x)`

D

`sin x P_(2n-1)(cos x)`

Text Solution

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The correct Answer is:
C, D
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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (More Than One Correct Option Type Questions)
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  14. Let P(n)(u) be a polynomial is u of degree n. Then, for every positive...

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  15. If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha), then:

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  16. If cos 5 theta = a cos^(5)theta + b cos^(3)theta+c cos theta. Then, fi...

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