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If the parametric of a curve given by x=...

If the parametric of a curve given by `x=e^(t)cos t, y=et sin t`, then the tangent to the curve at the point `t=pi//4` makes with axis of x the angle

A

0

B

`(pi)/(4)`

C

`(pi)/(3)`

D

`(pi)/(2)`

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The correct Answer is:
d
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