Find all solutions to cos(5x) – cos(3x) = sin(4x) on 0 < x < 27

Question

asked Oct 11, 2023 30.1k views

1 Answer

Estel · Answer 1 · 2023-10-18T20:57:41+0000

Answer:

Sol(1) Solve ......(1) ......(2) ......(3) In equation 3 if we put a=4x & b=x, we get ......(4) Using equation 4&2,

Explanation: