Find a function of the form y A sin(kx) + Cor y = A cos(kx) + C whose graph matches the function shown below: 1-20 -19 418 -17 -16 -15 -14 y= 4 cos -12 -31 -20 D 1-3 201 -0 TX US 14 19 3 -2 L 19 $ J Leave your answer in exact form; if necessary, type pi for . W 42 44 US 12 Q

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