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11 November, 19:17

Determine the amplitude of the function y=-1/2cosx

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  1. 11 November, 19:25
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    Use the form a cos (bx-c) + d to find the variables used to find the amplitude, period, phase shift and vertical shift.

    a would be the amplitude and is the number before cos.

    In the given formula - 1/2 is before cos, so the amplitude would be the positive value which would be 1/2
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