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The equation sinx+sin2x+2sinxsin2x=2cosx...

The equation `sinx+sin2x+2sinxsin2x=2cosx+cos2x` is satisfied by values of `x` for which

A

`x = npi +(-1)^(n) pi/6, n int I`

B

`x=2npi + (2pi)/3, n int I`

C

`x = 2npi- (2pi)/3, n int I`

D

`x = 2npi -pi/2, n int I`

Text Solution

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The correct Answer is:
A, B, C, D
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