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theta = tan ^(-1)(2 tan ^(2) theta )-...

`theta = tan ^(-1)(2 tan ^(2) theta )- tan ^(-1) ((1)/(3) tan theta )` if -

A

`tan theta =-2`

B

` tan theta =0`

C

` tan theta=1`

D

`tan theta = 2`

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The correct Answer is:
A, B, C
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