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If sinx+sin^(2)x=1 ,then cos^(4)x+cos^(2...

If `sinx+sin^(2)x=1` ,then `cos^(4)x+cos^(2)x=?`

A

1

B

2

C

1.5

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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