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If (sin^(3)"" (x)/(2)-cos^(3)""(x)/(2))/...

If `(sin^(3)"" (x)/(2)-cos^(3)""(x)/(2))/(2 + sin x) = (cos x)/( 3) ` then x =

A

`n pi/2 + (pi)/(2), n inZ`

B

`2 n pi + (pi)/(2), n in Z`

C

`n pi - (pi)/(2), n in Z`

D

`2 n pi - (pi)/(2), n in Z`

Text Solution

Verified by Experts

The correct Answer is:
B
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