# Simple Integration - Possibly by the Substitution Method.

• May 2nd 2009, 09:31 PM
holmesb
Simple Integration - Possibly by the Substitution Method.
Hey Guys,

Not entirely sure how to tackle the following problem.

Find the indefinte integral of:

1) sin(x)/cos^2 (x).

Thanks (Happy)
• May 2nd 2009, 09:34 PM
Krizalid
start by putting $u=\cos x.$
• May 2nd 2009, 10:14 PM
holmesb
Perfect. (Happy)

Thank you very much.