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(1+tan alpha tan beta)^(2) + (tan alpha ...

`(1+tan alpha tan beta)^(2) + (tan alpha -tan beta)^(2) = `

A

`tan^(2) alpha tan^(2) beta`

B

`sec^(2) alpha sec^(2) beta`

C

`tan^(2) alpha sec^(2) beta`

D

`sec^(2) alpha cot^(2) beta`

Text Solution

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The correct Answer is:
B
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