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The value of (sin^(2) 3 A)/(sin^(2) A) -...

The value of `(sin^(2) 3 A)/(sin^(2) A) - (cos^(2) 3 A)/(cos^(2) A)` is equal to

A

cos 2 A

B

8 cos 2 A

C

`(1)/(8 cos 2 A)`

D

`(cos 2 A)/(8)`

Text Solution

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The correct Answer is:
B
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