Find the equation of tangent and normal to the curve `x=cost, y=sint, " at " t=pi/4`

Find the equation of tangents and normals to the given curves x=cost,y=sint, at t=pi/4

Find the equations of the tangent and normal to the curve x=sin3t.,y=cos2t at t=(pi)/(4)

Find the equation of tangent and normal to the curve given by x=7cost andy=2sint,tinR at any point on the curve.

Find the equation of the tangents and normal to the curve x= sin 3t, y= cos 2t " at " t=(pi)/(4)

Find the equations of tangent and normals to the curves y=sin x+cos x at x=(pi)/(3)

Find the equations of tangent and normal to the curve y= e^(x) at x= 0.

Find the equations of the tangent and normal to the curve x = a sin 3t, y = cos 2 t " at " t = (pi)/(4)