sin(x+y)=x.find double derivative.
3 Answers
Joydoot ghatak
·2010-10-14 19:19:09
my answer is the same as aasish:-
x (1-x2)-3/2.
as
sin(x+y) = x
thus, (x+y) = sin-1 x.
taking derivative, we get,
1+dy/dx = 1/√1-x2.
again, differentiating, we get,
d2y/dx2 = x (1-x2)-3/2.