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For which values of a does the equation ...

For which values of a does the equation `4sin(x+pi/3)cos(x-pi/6)=a^2+sqrt(3)sin2x-cos2x` have solution? Find the solution for a=0.

A

`-2`

B

0

C

2

D

`a in [-2,2]`

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