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The value of the expression (cos^6 theta...

The value of the expression `(cos^6 theta+sin^6 theta-1)(tan^2 theta+cot^2 theta+2)` is:
व्यंजक `(cos^6 theta+sin^6 theta-1)(tan^2 theta+cot^2 theta+2)` का मान है:

A

`-3`

B

0

C

1

D

`-1`

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