If Theorem: y and x are given in a different variable that is θ . We can find = asinθ ………..(1) = a(1-cosθ ) ……….(2) Dividing (1) and (2), we get Putting θ= π/2 = = 1.
by finding 
and 
and then dividing them to get the required thing.
= 
= 
1
If Theorem: y and x are given in a different variable that is θ . We can find = asinθ ………..(1) = a(1-cosθ ) ……….(2) Dividing (1) and (2), we get Putting θ= π/2 = = 1.by finding and and then dividing them to get the required thing. = =