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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

`cos2A`

B

`2cos2A`

C

`4cos2A`

D

`8cos2A`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-MULTIPLE & SUBMULTIPLE ANGLES-EXERCISE-1
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