Do Now: 3) y = -1/2cos (x - π/2) + 3 4) y = 25sin (x + 2π/3) - 20 amplitude = frequency= period = phase shift = vertical translation = 2) y = 3sin (x + π) - 2 3) y = -1/2cos (x - π/2) + 3 amplitude = frequency= period = phase shift = vertical translation = 4) y = 25sin (x + 2π/3) - 20 amplitude = frequency= period = phase shift = vertical translation =
Graph y =3sin (x - π/4) y 3 2 1 x - π - π 2 x π 2 π 3π 2 2π -1 -2 -3
Graph y = 3cos (2x) + 1 y 3 2 1 x - π - π 2 x π 2 π 3π 2 2π -1 -2 -3
Graph y = 2sin (x + π/2) - 1 y 3 2 1 x x -1 -2 -3 - - π π 2 π 2 π 3π 2 x π 2 π 3π 2 2π -1 -2 -3