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(sin^(2)3A)/(sin^(2)A)-(cos^(2)3A)/(cos^...

`(sin^(2)3A)/(sin^(2)A)-(cos^(2)3A)/(cos^(2)A)=`

A

cos 2A

B

8 cos 2A

C

`1/8 cos 2A`

D

`1/4 cos 2A`

Text Solution

Verified by Experts

The correct Answer is:
B
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