Without Graphing the Function, Determine Its Amplitude or Period as Requested

question 110

Multiple Choice

Without graphing the function, determine its amplitude or period as requested.
- $y = \cos 3 x \quad$ Find the period.

• A) 1
• B) 3
• C) \(\frac { 2 \pi } { 3 }\)
• D) \(2 \pi\)

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