1.

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.

Answer»

`pi/6`
`pi/4`
`pi/3`
NONE of these

ANSWER :B


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