" If "a(theta-sin theta),y=a(1-cos theta)," then "y_(2)=

If x=a ( theta - sin theta), y =a (1 - cos theta) then y _(2) at theta = pi //4 is

If x=a(theta-sin theta),y=a(1+cos theta) find (d^(2)y)/(dx^(2))

If x=a(theta-sin theta),y=a(1+cos theta),quad find (d^(2)y)/(dx^(2))

x= a(theta-sin theta ),y=a(1-cos theta),show that , 2y (d^2y)/(dx^2)+ cosec^2 theta/2=0 .

If x=a (theta-sin theta) and y=a(1-cos theta) , find (d^(2)y)/(dx^(2)) at theta=pi.

If x=a(theta+sin theta),y=a(1+cos theta), prove that (d^(2)y)/(dx^(2))=-(a)/(y^(2))

If =a(theta+sin theta),y=a(1+cos theta),y=a(1+cos theta) Prove that (d^(2)y)/(dx^(2))=-(a)/(y^(2))

If x= a (theta+ sin theta), y =a ( 1- cos theta) then prove that at theta = (pi)/(2), y'' = (1)/(a) .

If x =theta -sin theta ,y=1-cos theta,then (d^(2)y)/(dx^(2))=

Find (d^2y)/(dx^2) in the following If x = a (theta + sin theta) , y = a(1 - cos theta) , find (d^2y)/(dx^2) at theta = pi/2