Slope of the normal to the curve`x=a(t+sint),y=a(t-sint)` is

The length of the normal at pon the curve x=a(t+sint),y=a(1-cost) is

The length of the normal at t on the curve x=a(t+sint), y=a(1-cos t), is

The length of the normal at t on the curve x=a(t+sint), y=a(1-cos t), is

Find the slope of the nromal to the curve x = 1+ a sint, y =- b cos^2t at t= pi/2

The length of the subtangent at t on the curve x=a(t+sint),y=a(1-cost) is

The distance from the origin of the normal to the curve x=2cos t+2tsint , y=2sint-2tcost , at t=(pi)/4 is

Find the equation of the tangent and the normal at the point 't' on the curve x=a(t+sint), y=a(1-cost)