Trig
posted by BreAnne .
what is the amplitude, period, phase shift, and vertical shift of each equation?
1. y= A cos(B(x3))+4
2. y=2sin(2piX/3)
3. y=4cos(3pi(x+3))
4. y= 3cos(2(xpi/4))+0.4
thank you so much!
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