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If pi lt alpha lt (3pi)/2 then find the ...

If `pi lt alpha lt (3pi)/2` then find the value of expression `sqrt(4 sin^4 alpha+ sin^2 2alpha)+ 4 cos^2(pi/4- alpha/2)`

A

2

B

`2+4 sin alpha`

C

`2-4 sin alpha`

D

None of these

Text Solution

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The correct Answer is:
A, C
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