K kpad5991 Member Joined Dec 29, 2016 Messages 238 Gender Male HSC 2018 Mar 1, 2018 #1 Differentiate d/dx (1/2x sin2x + 1/4 cos2x) and hence find the integral from Pi/4 to 0 of xcos2x dx Please show all working
Differentiate d/dx (1/2x sin2x + 1/4 cos2x) and hence find the integral from Pi/4 to 0 of xcos2x dx Please show all working
HeroWise Active Member Joined Dec 8, 2017 Messages 347 Gender Male HSC 2020 Mar 11, 2018 #2 u mean from 0 to pi/4 Anyway should be right if i didnt make silly errors
