Find the lengths of subtangent and subnormal at a point on the curve `y=bsin(x/a)`

Find the length of subtangent, subnormal at a point on the curve x=a(cost+sint), y=a(sint-tcost)

Find the length of subtangent subnormal at a pont t on the curve x=a(cos t+ t sin t) y=a( sin t-t cos t)

Find lengths of normal and subnormal at a point on the curve y=(a)/(2)(e^(x/a)+e^(-x/a))

Find the length of the tangent, normal, subtangent and subnormal at the point (a,a) on the curve y^(2)=(x^(3))/(2a-x),(a gt 0)

The sum of the lengths of the subtangent and subnormal at theta=pi//3 on the cycloid x=a(theta-sintheta),y=a(1-costheta) is