Find the equations of the tangent and normal to the given curve at the given points.
(v) `x = cos t, y = sin t` at `t = (pi)/4`

Find the equations of the tangent and normal to the given curves at the points given x = cos t, y = sin t at t = (pi)/(4)

Find the equations of the tangent and the normal to the following curves at the given point: x = cos t, y = sin t at t = pi/4

Find the equations of the tangent and normal to the given curves at the indicated points : x=cos t, y=sin t at t=(pi)/(4)

Find the equations of the tangent and the normal to the following curves at the given point: x = a cos t , y = b sin t at t = pi/2

Find the equations of the tangent and the normal to the following curves at the given point: x = sin 3t, y = cos 2 t at t = pi/4

Find the equations of the tangent to the given curves at the indicated points: x = cost, y = sin t at t = pi/4

Find the equations of tangent and normal to the following curves at the points indicated againts: x =cos t, y = sint at t=(pi)/(4)

Find the equations of the tangent to the given curves at the indicated points: x= cos t , y =sin t at t = (pi)/(4)