Integral of sin(3x) / cos^3(3x) dx
Follow Math Help Forum on Facebook and Google+
Originally Posted by element Integral of sin(3x) / cos^3(3x) dx $\displaystyle \frac{\sin{3x}}{\cos^3{3x}} = \tan{(3x)}\sec^2{(3x)}$ Can you do it now?
Originally Posted by Chop Suey $\displaystyle \frac{\sin{3x}}{\cos^3{3x}} = \tan{(3x)}\sec^2{(3x)}$ Can you do it now? Thanks, I can't believe I didn't see that. I tend to think too hard in my DE class.
View Tag Cloud