If sinx+sin^2x=1. then evaluate : cos^8...

If `sinx+sin^2x=1.` then evaluate : `cos^8x+2cos^6x+cos^4x`

A

`0`

B

`1`

C

`2`

D

`3`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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