3 ms·err this is level 2 technician stuffby walshemj 9y agoerr this is level 2 technician stuffsokoloff 9y agoI agree. I also think that knowing cosine and sine are unit circle X and Y coordinates is at a similar level for university math majors.walshemj 9y agoMaybe it wasn't clear I meant this is L2 plane mechanics tech i.e. year 2 of a 3 year to BTEC in no way a university level maths