Rose Harrison, Clara Huizink, Aidan Sproat Clements and, Marlene Torres Skoumal Solutions for Exercise 9: Practice 3

Write down the amplitude, frequency and period of the function, then sketch the graph for the domain.

$y=2\sin 4x$, for $0°\le x\le 360°$ ,

Write down the amplitude, frequency and period of the function then sketch the graph for the domain.

$y=4\cos 3x,\text{ for }0°\le x\le 360°$

Write down the amplitude, frequency and period of the function, then sketch the graph for the domain.

$y=\frac{1}{3}\sin \frac{x}{3}$, for $0°\le x\le 1080°$

Write down the amplitude, frequency and period of the function, then sketch the graph for the domain.

$y=0.7\cos \frac{x}{4}\text{ , for }0°\le x⩽1440°$