1. The problem statement, all variables and given/known data We've been given an assignment in civil engineering with this question which we cant solve as the tutor hasn't explained it and has subsequently gone off sick with no replacement!!!! The question is to show graphically and by vector addition, the result of adding the two waveforms, such that: v1=200sin(ωt) The problem is where the hell do we start with it? Any help much appreciated! 2. Relevant equations . 3. The attempt at a solution .