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For theta in(0,pi/2) , the maximum value...

For `theta in(0,pi/2) `, the maximum value of sin(`theta+pi/6)+cos(theta+pi/6)` is attained at `theta`=

A

`pi/12`

B

`pi/6`

C

`pi/3`

D

`pi/4`

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The correct Answer is:
A
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