# Math Help - Trigonometric Integral

1. ## Trigonometric Integral

Any help on this integral will be appreciated!

$
\int \frac {secx}{tanx}dx
$

2. Hello, hasanbalkan!

Did you try simplifying?

$\int \frac{\sec x}{\tan x}\,dx$
$\frac{\sec x}{\tan x} \;=\;\frac{\dfrac{1}{\cos x}}{\dfrac{\sin x}{\cos x}} \;=\;\frac{1}{\sin x} \;=\;\csc x$

3. Ohhhh, thanks a lot. I have forgotten this identity 1/sinx = cscx. Thanks again...