The expression 3sec^2 theta tan^2 theta+...

The expression `3sec^2 theta tan^2 theta+ tan^6 theta-sec^6 theta` is equal to:
व्यंजक `3sec^2 theta tan^2 theta+ tan^6 theta-sec^6 theta` किसके बराबर है?

A

1

B

2

C

`-2`

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:

D

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