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If (3pi)/4ltA/2lt(5pi)/4 then -sqrt(1+si...

If `(3pi)/4ltA/2lt(5pi)/4` then `-sqrt(1+sinA)+sqrt(1-sinA)=`

A

`2"cos"A/2`

B

2`"sin"A/2`

C

`2cosA`

D

`2sinA`

Text Solution

Verified by Experts

The correct Answer is:
B
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