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If x in (45^(@),90^(@)), sin2x=1/2, then...

If `x in (45^(@),90^(@)), sin2x=1/2`, then `sin^(3)x-3/4 sinx=`

A

`1/sqrt2`

B

`-1/sqrt2`

C

`1/(4sqrt2)`

D

`-1/4sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
D
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