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Find the number of integral value of n s...

Find the number of integral value of `n` so that `sinx(sinx+cosx)=n` has at least one solution.

A

`(phi)`

B

`(pi//4)`

C

`(n pi+pi//4,n=1,2,3 ---)`

D

`(2n+pi//4,n=1,2,3…)`

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The correct Answer is:
a
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