sequence with and without recursion
- by Sergey
I have a sequence.
a1 = 1 - cos(x);
ai = a1 + (-1)^(i-1) * x^(2*i-2) / (2*i-2)!
I need to write this with and without recursion. But it has a different results.
Here is my code: http://codepaste.net/q213q6