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The range of f (x) cos "" (pi [x])/(2) i...

The range of `f (x) cos "" (pi [x])/(2)` is

A

`{0,1}`

B

`{-1,1}`

C

`{-1,0,1}`

D

`[-1,1]`

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-1
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