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a. The period of f(x) is 4 radians, and the period of g(x) is 2π radians.

b. The period of f(x) is 2π radians, and the period of g(x) is 4T radians.

c. The period of f(x) is radians, and the period of g(x) is 2 radians.

d. The period of f(x) is 2π radians, and the period of g(x) is ŉ radians.

Part B: What is the relationship between the frequencies of f(x) and g(x)?

Part C: What effect does doubling the angle have on the period of the graph of the cosine function? Explain.

Fig: 1

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