SOLUTION: I'm so lost can someone please show me how to find the amplitude, period, phase shift and vertical displacement for y= sqrt7cos (5(x-85degrees))- 1.2 compared to y= cos x.

Algebra ->  Trigonometry-basics -> SOLUTION: I'm so lost can someone please show me how to find the amplitude, period, phase shift and vertical displacement for y= sqrt7cos (5(x-85degrees))- 1.2 compared to y= cos x.      Log On


   



Question 277835: I'm so lost can someone please show me how to find the amplitude, period, phase shift and vertical displacement for y= sqrt7cos (5(x-85degrees))- 1.2 compared to y= cos x.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The amplitude is sqrt(7)
The period is 2pi/5
Vertical displacement is -1.2
phase shift = 425º = 65º