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If sin theta + sqrt(3) cos theta = 6x -...

If ` sin theta + sqrt(3) cos theta = 6x - x^(2) - 11, 0 le theta le 4 pi, x in R ` holds for

A

sin 2x=1

B

sin 2x=1

C

cos =`1/2`

D

`cos 2x=-1/2`

Text Solution

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The correct Answer is:
b,d
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