= − ⎛ π ⎞ 8sin y x 63. = 4 cos y x Amplitude = 4 = 4 ; Period = 2π 64. = sin(2 y x) Amplitude = 1 π = 1 ; Period = 2π = 2 65. ⎜ 2 ⎟ ⎝ ⎠ (2x ) π = 2sin − Amplitude = 69. −8 = 8 ; Period = 2π = 4 y π 2 Amplitude: = = 2 2 A Period: = = = π 2π 2π T 66. ω = − 2 cos(3π 2 y x) Amplitude = Phase Shift: φ π π = = −2 = = 2 ; Period = 2π 2 = 4 A = 4 = 4sin(3x) y ω 2 2 67. Amplitude: 3π 3 Period: = 2π = 2π T ω 3 Phase Shift: φ = 0 = 0 ω 3 70. π = − cos ⎛ 1 + ⎞ y x ⎝ ⎠ Amplitude: = −1 = 1 A Period: = 2π = 2π = 4π T ω 1 2 π − Phase Shift: φ = 2 = −π
63. 64. 65. y = 4 cos x Amplitude = 4 y = sin(2 x) Amplitude = 1 y = − 8sin ⎛ π x ⎞ = 4 ; Period = 2π = 1 ; Period = 2π = π 2 ⎜ 2 ⎟ ⎝ ⎠ Amplitude = −8 = 8 ; Period = 2π = 4 π 69. y = 2sin (2x − π ) 2 Amplitude: A = 2 = 2 Period: T = 2π = 2π = π 66. y = − 2 cos(3π x) ω 2 Amplitude = −2 = 2 ; Period = 2π = 2 Phase Shift: φ = π = π 67. y = 4sin(3x) Amplitude: A = 4 = 4 3π 3 ω 2 2 Period: T = 2π = 2π Phase Shift: ω 3 φ = 0 = 0 ω 3 70. y = − cos ⎛ 1 x + π ⎞ ⎝ ⎠ Amplitude: A = −1 = 1 Period: T = 2π = 2π = 4π ω 1 2 − π Phase Shift: φ = 2 = −π
62514-0132318806_ISM_02-1.docx