Q.

The function sin(x2)+cosx is

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a

Periodic with period π

b

Periodic with period 2π

c

Periodic with period 0

d

Not a Periodic function

answer is D.

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Detailed Solution

Period of sinnx=2πn, Period of  sinxn=2nπ      ∴2nπ=4π⇒n=2Cosx period is not defined
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