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Write the value of theta in (0,\ pi/2) f...

Write the value of `theta in (0,\ pi/2)` for which area of the triangle formed by points `O(0,0),\ A(a\ costheta,\ b sintheta)a n d\ B(a\ costheta,\ -b\ sintheta)` is maximum.

A

`pi/6`

B

`pi/4`

C

`pi/3`

D

none of these

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The correct Answer is:
B
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