integrate cos2x dx Share with your friends Share 0 Sona Vi answered this sin2x/2 + C 2 View Full Answer Janani Janarthanam answered this integral of cos2xdx =sin2x/2. I have done it using the formula 0 Shubhi Anand answered this using the formula integaral of cos nx dx=sin nx / nsimilarly integral of cos 2x=sin 2x/2 1