Grade 11 - Sine and Cosine Rule Application - 2D Trigonometry | Mlungisi Nkosi 

Thank you sir this was very helpful

I need more explanation on Surds topic

thanks uncle i learn smt today do physical science vids please grade 11

sir l have been given some work and we were asked to prove like in 7.22 but none my triangles have a 90 degree angle, is the a way l can solve it with out the 90degree

funny thing is i just came from struggling with that question and im so relieved you posted how you worked it out , a true life saver !!!! Thank you sir