### Home > PC3 > Chapter 2 > Lesson 2.3.3 > Problem 2-156

2-156.

Graph at least two complete cycles of each of the following functions.

Sketch a general curve first (with shifting), then scale the axes to match the amplitude and/or period.

The period is

.

The period is

.

The period is

.

Start by sketching a cosine graph that has been shifted up

units.