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1+tan theta * tan 2 theta= A)2 csc theta...

`1+tan theta * tan 2 theta=` A)`2 csc theta`B)`sec 2 theta `C)`2 sec theta`D)` csc 2 theta`

A

`2 csc theta`

B

`sec 2 theta `

C

`2 sec theta`

D

` csc 2 theta`

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The correct Answer is:
B
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