Graph of f(x) = -3 cos(2x/3)
Graph of the function f(x) = -3 cos(2x/3) plotted on a coordinate plane with x-axis from -2π to 2π and y-axis from -5 to 5, showing a cosine wave with amplitude 3 and period 3π.
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Graph of the function f(x) = -3 cos(2x/3) plotted on a coordinate plane with x-axis from -2π to 2π and y-axis from -5 to 5, showing a cosine wave with amplitude 3 and period 3π.
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(view all graphs of sine and cosine functions worksheet)