The value of expression (1+ sin 2 alph...

The value of expression
`(1+ sin 2 alpha)/(cos (2 alpha -2pi) tan (alpha -(3pi)/(4)))- 1/4 sin 2 alpha (cot ""(alpha)/(2) + cot ((3pi)/(2)+(alpha)/(2)))` is

A

0

B

1

C

`sin ^(2) "" (alpha)/(2)`

D

`sin ^(2) alpha`

Verified by Experts

The correct Answer is:

D

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