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If "cos 3x + "sin" (2x - (7pi)/(6)) =-2,...

If `"cos 3x + "sin" (2x - (7pi)/(6)) =-2`, then x =

A

`(pi)/(3)(6k+1), k in Z`

B

`(pi)/(3) (6k-1), k in Z`

C

`(pi)/(3)(2k+1), k in Z`

D

none of these

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A
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OBJECTIVE RD SHARMA-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise
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