Question

If x=2(teta+sinteta) and y=2(1-cos teta)then the value of dy/dx is

Answer 1

x =2(teta +sinteta) then dx/dteta =2(1+ costeta) y=2(1-costeta) then dy/ dteta=2 sinteta then dy/dx=dy/dteta/dx/dteta=sinteta/1-costeta