यदि sin theta= (1)/(sqrt2) हो, तो 3 sin^...

यदि `sin theta= (1)/(sqrt2)` हो, तो `3 sin^(2) theta- 4 sin^(3) theta . cos theta` का मान है-

A

`(1)/(2)`

B

`(1)/(sqrt2)`

C

`(3)/(2)`

D

`(-1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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