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If : sectheta+costheta=2 "then" : sec^(2...

If : `sectheta+costheta=2 "then" : sec^(2)theta-sec^(4)theta=`

A

1

B

`cos^(2)theta+cos^(4)theta`

C

-1

D

`cos^(4)theta-cos^(2)theta`

Text Solution

Verified by Experts

The correct Answer is:
D
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
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