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Math Help - Trig Function Transformation

  1. #1
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    Trig Function Transformation

    Hi Everyone, having a little bit of trouble and have a question. I'm supposed to state the amplitude, period, and phase shift of this function.

    f(x)= 3sin2(x-pi/4)-1

    My question is can I move the 2 into the equation without change to be

    3sin[2(x-pi/4)]-1

    Something keeps telling me the 2 should be 1/2 and I keep confusing myself. Any clarification would be great.

    Thanks
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  2. #2
    MHF Contributor Amer's Avatar
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