Properties and Graphs of Trigonometric
Functions
1. (a) Find the amplitude and period of \( y=-4 \cos\left(
\frac{3\pi}{2}x\right)\). (b) Write the
equation of a sine function that has the given characteristics:
Amplitude= 3, Period = 2
SOLUTION
2. Graph the function \(y=3\sin(4x) \) using key points.
SOLUTION
3. Find an equation for the graph.
SOLUTION
![](../onlinetrig/images/two.PNG)