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Let the function f(x) = sin x + cos x, b...

Let the function `f(x) = sin x + cos x`, be defined in `[0, 2pi]`, then `f(x)`

A

`x= 17 pi//4` is a point of minima

B

`x= 13pi//4` is a point of maxima

C

`x= 21 pi//4` is a point of minima

D

`x = 29 pi//4` is a point of maxima

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The correct Answer is:
C
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