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If f:ArarrR is defined as f(x)=cosx and ...

If `f:ArarrR` is defined as `f(x)=cosx and A={0, pi//6, pi//4, pi//3}` then the range of f is

A

`{1, 1//2, 1//sqrt2, sqrt3//2}`

B

`{1//2, 1//sqrt 1, sqrt3//2}`

C

`{0, 1//2, 1//sqrt2, 1}`

D

`{1, 1//sqrt3, sqrt3}`

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DIPTI PUBLICATION ( AP EAMET)-FUNCTIONS-EXERCISE 1A(FUNCTIONS)
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