How is

Hi,


This is a splecial case and you can see it is of form f(x)^g(x) = 1 where f(x) is 1 + sinx
and g(x) = 1/x²
Direct Solution of above form is
e^{g(x) (f(x) -1)}
Put f(x) and g(x) and get the required answer.
If you need the prove for the result please reply on this thread.