K kpad5991 Member Joined Dec 29, 2016 Messages 238 Gender Male HSC 2018 Feb 23, 2018 #1 https://imgur.com/gallery/zRrqx The solution is 1/2 on 2 but I get -1/2 ln 2
J jessnguyen3 New Member Joined Aug 12, 2017 Messages 9 Gender Female HSC 2019 Feb 23, 2018 #2 derivative of cosx = -sinx
J jessnguyen3 New Member Joined Aug 12, 2017 Messages 9 Gender Female HSC 2019 Feb 23, 2018 #3 Therefore it would be -∫-sinx/cosx.dx and by solving it should give you 1/2 ln(2)