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Describe the Transformations For Each Function

a)f(x)=3sin(1/2x+pi/2)+1

b)-1/3cos(2x-pi)-2

  • Math -

    how about if we start by saying

    y-1 = 3sin((1/2)(x+pi))
    and
    y+2 = -1/3 cos(2(x - pi/2))

    the shifts and scalings should now be clearer.

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