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Thread: Trig transformation graph - Easy

  1. March 4th 2011, 03:16 PM #1
    Kuma
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    Trig transformation graph - Easy

    I forgot how to do this.

    6 cos(4x).
    6 sin(8x)
    i know the amplitude is 6. I'm having trouble finding the period.
    Can someone tell me how to find what the period is?
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  2. March 4th 2011, 03:20 PM #2
    e^(i*pi)
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    The period of \sin(ax) is \dfrac{2\pi}{a}. Same applies for \cos(ax)
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