Find the Period P, Amplitude A, and Phase Shift S

question 40

Multiple Choice

Find the period P, amplitude A, and phase shift S, and graph at least two periods of the equation. y = 3 cos (3x + 60°)

• A) P = 120°, A = 2, S = 20°
• B) P = 180°, A = 3, S = -30°
• C) P = 120°, A = 2, S = 20°
• D) P = 180°, A = 3, S = 30°
• E) P = 120°, A = 2, S = 20°

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