ω 76. The graph is a reflected cosine graph with 5 8 = 2π 8ω = 2π and period 2. amplitude 2 ω = = π 2π 8 4 2 = 2π ω Find : ω The equation is: 2ω = 2π = ⎛ π ⎞ 5cos . y x ⎜ 4 ⎟ ⎝ ⎠ 72. The graph is a sine graph with amplitude 4 and ω = 2π =π 2 8πω = 2π period 8π. ω (πx ) = 2π = 1 5 cos . y ω Find : 2 8π= 2π The equation is: ω 8π 4 The equation is: = 4sin ⎛ 1 ⎞ . y x ⎜ 4 ⎟ ⎝ ⎠
8 = 2π ω 76. The graph is a reflected cosine graph with 5 8ω = 2π ω = 2π = π 8 4 amplitude Find ω : and period 2. 2 2 = 2π ω The equation is: y = 5cos ⎛ π x ⎞ . 2ω = 2π ⎜ 4 ⎟ ⎝ ⎠ 72. The graph is a sine graph with amplitude 4 and ω = 2π =π 2 period 8π. Find ω : 8π= 2π ω 8πω = 2π ω = 2π = 1 The equation is: y 5 cos (πx ) . 2 8π 4 The equation is: y = 4sin ⎛ 1 x ⎞ . ⎜ 4 ⎟ ⎝ ⎠
62514-0132318806_ISM_02-1.docx