Amplitude and Period

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Show your work for each problem.

1.
What is the amplitude of ?
1. a)
2. b)
3. c)
4. d)
2.
What is the period of ?
1. a)
2. b)
3. c)
4. d)
3.
What is the amplitude of ?
4.
What is the period of ? (Answer in terms of , e.g., type '2pi')
5.
For , what is the amplitude?
1. a)
2. b)
3. c)
4. d)
6.
Find the amplitude and period of .
7.
What is the period of ? (Answer in terms of , e.g., '4pi')
8.
Which function has amplitude 4 and period ?
1. a)
2. b)
3. c)
4. d)
9.
Find the amplitude and period of .
10.
A wave oscillates between and . What is the amplitude?
1. a)
2. b)
3. c)
4. d)
11.
If the frequency of a wave is , what is the value of ?
12.
Write the equation of a sine wave with amplitude 3 and period .
13.
A sound wave has frequency 440 Hz. What is the period in seconds? (Round to 4 decimal places)
14.
A cosine wave has max value 7 and min value 1. Find the amplitude and midline.
15.
European AC power is 230V at 50 Hz. What is the equation for voltage if is in seconds?
1. a)
2. b)
3. c)
4. d)
16.
Write the equation for a cosine wave with amplitude 2, period , reflected across the x-axis.