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The value of the expression (1+sin2alph...

The value of the expression `(1+sin2alpha)/(cos(2alpha-2pi)tan(alpha-(3pi)/4))-1/4sin2alpha(cot""(alpha)/2+cot((3pi)/2+(alpha)/2))` is

A

0

B

1

C

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

D

`sin^(2) alpha`

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Verified by Experts

The correct Answer is:
D
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