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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:
B
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