Trig

posted by .

f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

  • Trig -

    f(x) = -cos(3x + pi)
    = -1cos 3(x+π/3)

    ampl = 1
    period = 2π/3
    phase shift -π/3 to the left

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. trig

    how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3))
  2. Trig

    2.Graph f(x) = 1/4 cos(1/2 x + pi/2). Find the amplitude, period, and phase shift of the function. 3. Graph f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.
  3. Trig/Math

    2. f(x) = 1/4 cos(1/2 x + pi/2). Find the amplitude, period, and phase shift of the function. 3. f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.
  4. Trig/Math

    3. f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.
  5. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?
  6. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?
  7. trig

    Give the following for the function: y=2+cos(5x+3.14 Amplitude: Period: Phase Shift:
  8. Trig

    1)y=1-tan(3pi-2x) Find period and phase shift 2)y=-sin(5x+3) Find amplitude,period,and phase shift 3)y=1-sin(3pi-2x)Find amplitude,period,and phase shift 4)y=2csc(2x-1)Find period and phase shift 5)Given the graph of y = sin (x), what …
  9. trig/math

    Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
  10. trig

    Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90degrees)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi

More Similar Questions