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What is the value of, cot(90-x)sin^4 (90...

What is the value of, `cot(90-x)sin^4 (90-x) + cot(180-x) sin^4 (180-x)`?
`cot(90-x)sin^4 (90-x) + cot(180-x) sin^4 (180-x)` का मान क्या हे?

A

`(cos4x)//4`

B

`(sin^(2)2x)//2`

C

`(cos^(2)2x)//2`

D

`(sin4x)//4`

Text Solution

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The correct Answer is:
D
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