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

Prove that: `sin^2(pi/8+A/2)-sin^2(pi/8-A/2)=1/sqrt(2)sinA`

A

sin A

B

cos A

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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