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# Which formula gives the x-coordinates of the maximum values for y = cos(x)? mc014-1.jpg for any integer k mc014-2.jpg for mc014-3.jpg mc014-4.jpg for any positive integer k mc014-5.jpg for mc014-6.jpg

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Cos(x) has a maximum at x=0It is also a periodic function with a period of 2pi.Thus, the values of x for which cos(x) is the maximum is x =0, 2Pi, 4π, 6π , .....and -2π, -4π, -6π , .....Thus, The formula gives the x-coordinates of the maximum values of y = cos(x)