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If f (theta) = |sin theta| + |cos theta...

If `f (theta) = |sin theta| + |cos theta|, theta in R`, then

A

`f(theta) in [0, 2]`

B

`f(theta)in [0, sqrt(2)]`

C

`f(theta) in [ 0, 1]`

D

`f(theta) in [1, sqrt(2)]`

Text Solution

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The correct Answer is:
D
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