Find , when
x = a(θ + sinθ) and y = a(1 – cosθ)
x = a(θ + sinθ)
Differentiating it with respect to θ,
……(1)
And ,
y = a(1- cosθ)
Differentiating it with respect to θ ,
……(2)
Using equation (1) and (2) ,
{since, }