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Tangent and normal to the curve y=2s in ...

Tangent and normal to the curve `y=2s in x+s in2x` are drawn at `p(x=pi/3)` . The area of the quadrilateral formed by the tangent, the normal and coordinate axes is `(pisqrt(3))/2` b. `pi/2` c. `(sqrt(3))/2` d. none of these

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