Solve sin x + 2 sin x cos X = for 0°

Step-by-step explanation:

hello:

sin x + 2 sin x cosx = 0 equivalent to : sinx (1+2cosx) = 0

sinx=0 means : general solution is : x = kπ ... k in Z

1+2cosx=0 means : cosx = - 1/2 general solution is : x = ±π/6+kπ ... k in Z