Try This Trig Proof #shorts #minimathproof

Can you prove this trig identity? (sin(ax))(cos(bx)) = ½(sin(a+b)x + sin(a-b)x) Try it first, then hum along to the solution.

The Entertainer by Kevin MacLeod Link: https://incompetech.filmmusic.io/song/5765-the-entertainer License: https://filmmusic.io/standard-license ... https://www.youtube.com/watch?v=fPqoz_uiEzg