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lolosaurus

  • 2 years ago

How to do 1A-6, I have done trig - but i dont get it.

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  1. Waynex
    • 2 years ago
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    Was there mention of "amplitude-phase form" in the class? There is information on this in the differential equations class in this PDF: http://ocw.mit.edu/courses/mathematics/18-03sc-differential-equations-fall-2011/unit-i-first-order-differential-equations/sinusoidal-functions/MIT18_03SCF11_s7_3text.pdf That will allow you to convert to amplitude phase form with a cosine. To change that to a sine, use this: \[\cos(x\pm \pi/2) = \mp sin(x).\]

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