How do you integrate sin(3x)cos(3x)dx? Calculus Techniques of Integration Integration by Trigonometric Substitution 1 Answer Gió Mar 12, 2015 Try this: hope it helps Answer link Related questions How do you find the integral ∫1x2⋅√x2−9dx ? How do you find the integral ∫x3√x2+9dx ? How do you find the integral ∫x3⋅√9−x2dx ? How do you find the integral ∫x3√16−x2dx ? How do you find the integral ∫√x2−1xdx ? How do you find the integral ∫√x2−9x3dx ? How do you find the integral ∫x√x2+x+1dx ? How do you find the integral ∫dt√t2−6t+13 ? How do you find the integral ∫x⋅√1−x4dx ? How do you prove the integral formula ∫dx√x2+a2=ln(x+√x2+a2)+C ? See all questions in Integration by Trigonometric Substitution Impact of this question 14524 views around the world You can reuse this answer Creative Commons License