What is the period of y=5cos(3x) - 4?
period of sin(ax) or cos(ax) :\(T= \frac{2 \pi }{|a|}\)period of tan(ax) or cot(ax) :\(T= \frac{\pi }{|a|}\)\(T= \frac{2 \pi }{|3|} = \frac{2}{3} \pi\)
