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For any the real thetathe maximum value ...

For any the real `theta`the maximum value of`cos^2(costheta)+sin^2(sintheta)` is

A

1

B

`1+sin^(2)1`

C

`1+cos^(2)1`

D

does not exist

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ARIHANT MATHS ENGLISH-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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