Mathematics, 31.08.2019 18:30, postorivofarms

Which of the following are equivalent to the function y = 4cos x - 2? a. y= 4sin(x-pi/2)-2 b. y=4sin(x+pi/2) - 2 c. y=4cos(-x)-2 d. y=-4cos x +2.

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Which of the following are equivalent to the function y = 4cos x - 2? a. y= 4sin(x-pi/2)-2 b. y=4si...