Question

2
If the parametric equations of a curve given by x = e^t cos t, y = e^t sin t, then the tangent to the
curve at the point t=pi/4 makes an angle with positive x-axis is
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Answer 1

Answer:

the parametric of a curve given by x=etcost,y=etsint, then the tangent to the curve at the point t=π/4 makes with axis of x the angle.