Changes in Period and Phase Shift of Sine and Cosine Functions
Question 4 • AZ-Common Core Algebra II B
Determine the following for the transformed cosine function shown whose period is 1,080 degrees.Frequency: 1/1,0801/5405401,080
Answer
A
1/1,080
B
1/540
C
540
D
1,080
Explanation
Frequency is the reciprocal of the period. With a period of 1,080 degrees, the frequency is 1 ÷ 1,080 = 1/1,080. Therefore, the correct choice is 1/1,080.
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