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.
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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) (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
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