Rewrite with only sin x and cos x. sin 3x - cos x

2 sin x - sin3x - cos x
2 sin x cos2x + sin x - 2 sin3x - cos x
2 sin3x cos4x + 1
3 sin x cos x - sin3x - cos x

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.