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If cos^(2)alpha+cos^(2)beta=2, then th...

If `cos^(2)alpha+cos^(2)beta=2`, then the value of `tan^(3)alpha+sin^(5)beta` is :

A

a)`-1`

B

b)0

C

c)1

D

d)`(1)/(sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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