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( 1 + tan ^ 2 A ) /( 1 + cot ^ 2 A ) ...

` ( 1 + tan ^ 2 A ) /( 1 + cot ^ 2 A ) = `

A

` sec 2A `

B

` - 1 `

C

` cos 2 A `

D

` tan 2A `

Text Solution

Verified by Experts

The correct Answer is:
D
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