Home > PC > Chapter 4 > Lesson 4.3.2 > Problem 4-142
4-142.
Find reasonable equations for each graph below.
This is the cosine function:
1. Where is the midline?
2. What is the amplitude?
3. Identify the period and calculate the frequency.
Substitute the information in the general form for the cosine.
This is the sine function:
1. Where is the midline?
2. What is the amplitude?
3. Identify the period and calculate the frequency.
Substitute the information in the general form for the sine.
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