When at this point, the sinx as denominators (in the first fraction) cancel each other out leaving the 1-sin(x) as the overall denominator
Thank you, Also is that a general rule that when you have one fraction on top of another fraction and thier denominators are the same you can cancel them?
Thank you, Also is that a general rule that when you have one fraction on top of another fraction and thier denominators are the same you can cancel them?
Yes. When you have something like
you can multiply top-and-bottom of the main fraction by :
which then cancels each of the denominators to leave you with