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23 July, 09:47

Find the period of the function. y = - 3 cos x

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  1. 23 July, 10:04
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    Y=-3 cos x

    y = a cos (bx+c) + d

    a=-3, b=1, c=0, d=0

    Period: P=2Pi/b, where Pi is the constant 3.1416

    Replacing b=1 in the formula above:

    P=2Pi/1

    P=2Pi

    Answer: The period of the function y=-3 cos x is 2Pi
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