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19 October, 18:47

Write the equation of the sine function with amplitude of 8.5, standard period, phase shift of 90°, and a vertical shift of 12.

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  1. 19 October, 18:56
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    - you multiply by the amplitude

    - you subtract the phase shift from the sine argument

    - you add the vertical shift

    So, the regular y=sin (x) becomes:

    y = 8.5sin (x-π/2) + 12

    90° angle is π/2 because a full circle of 360° maps to 2π.
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