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sin^(2)((pi)/(8)+(A)/(2))-sin^(2)((pi)/(...

`sin^(2)((pi)/(8)+(A)/(2))-sin^(2)((pi)/(8)-(A)/(2))=`

A

`sin A`

B

`cosA`

C

`(1)/(sqrt(2))` sin A

D

`(1)/(sqrt(2))` cos A

Text Solution

Verified by Experts

The correct Answer is:
C
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