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

question 72

Multiple Choice

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

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

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