Posted by Philip on Wednesday, November 28, 2012 at 11:09am.
Simplify expression tan(x)csc(x) ???
Cos x
cos x
Sin x
Sec x
sec x

Simplify  Steve, Wednesday, November 28, 2012 at 11:14am
tan(x) = tan(x)
so, you have
sin/cos * 1/sin = 1/cos = sec