Midterm Homework Spring Break
Find Amplitude, Period, and Phase Shift y=-2cos(4/3x) y=−2cos(43x)y=-2cos(43x) Use the form acos(bx−c)+dacos(bx-c)+d to find the variables used to find the amplitude, period, phase shift, and vertical shift. a=−2a=-2 b=43b=43 c=0c=0 d=0d=0