Given that cos x=(e^jx + e^-jx)/2 and sin x=(e^jx - e^-jx)/2j
Using ONLY this information, prove that: cosAsinB=1/2[sin(A+B)- sin(A-B)].
See the attached file.© BrainMass Inc. brainmass.com March 4, 2021, 6:22 pm ad1c9bdddf
A trignometric relationship is proven using complex numbers. The solution is detailed and well presented.