Hi I am having trouble with these Trig questions:
1) (tanx)(csc^2x)/Sec^2x
2) (cotx)(sec^2x)/csc^2x
If anyone could help that would be great!
By identity I presume you mean simplify? The easiest way to do this is to write everything in terms of sines and cosines. For example
$\displaystyle \tan(x)\cdot \csc^2(x) \cdot \frac{1}{\sec^2(x)}=\frac{\sin(x)}{\cos(x)}\cdot \frac{1}{\sin^2(x)}\cdot \frac{\cos^2(x)}{1}$