SOLUTION: write an equation of the cosine function with amplitude 2, period pi,and phase shift pi/4.

Question 229786: write an equation of the cosine function with amplitude 2, period pi,and phase shift pi/4.
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
write an equation of the cosine function with amplitude 2, period pi,and phase shift pi/4.



The general equations for sine and cosine are these:





where, 

A = the amplitude
P = the period
S = the phase shift

Yours is a cosine problem, so substituting in the second one:









Edwin

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