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 tangent and normal to the curve given by x = 7 cos t and y = 2 sin t, t in R at any point on the curve.

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

Finding the equations of tangent and normal to a curve at a point

Find the equation of tangent and normal to the curve cos ^(-1)x at any arbitary point

Find the equation of tangent and normal to the curve y = "2.e" ^((-x)/(3)) at the point where the curve meets the Y - axis