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If cosA+cos^(2)A=1, then prove that sin^...

If `cosA+cos^(2)A=1`, then prove that `sin^(2)A+sin^(4)A=1`.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true and R is NOT the correct explanation of A.

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
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