14:52M+ / Video 9.17: Proof of real trig-formulas using complex numbersDer Matheflüsterer173 viewsView & Download
19:45Addition Formulae using Matrices?! - Complex Numbers, but Different [ Bonus 1 ]Papa Flammy7.2K viewsView & Download
5:41Mastering Complex Numbers: Solving Trigonometric Equations with Complex Arithmetic - AIME 2008Thinking In Math479 viewsView & Download
14:10Complex Summations using de Moivre's theorem (A level further maths)Dr. Vincent Techo3.0K viewsView & Download
7:27Tell me Why | Complex number method | Sum of the series of sine & cosine when angles are in A.P.Mathsmerizing1.5K viewsView & Download
14:01Solving Trigonometric Equations with Complex Numbers Explained | Complex Analysis #6TheMathCoach46.3K viewsView & Download
7:15These Trigonometric Identities Again, Now Proved Using COMPLEX NUMBERSCornerstones of Math232 viewsView & Download