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Izzy Nelson

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  • Izzy Nelson oprettede et opslag

    Sinusoidal word problems

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    Hello everyone. So I am dealing with sinusoidal word problems. I know how to get the answers, the only problem is figuring out which answer to use? Like for D(t)=-21cos(2pi/29.5)+384 i got answers ...

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  • Izzy Nelson kommenterede

    Thank you so much! Helped a ton!

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    3. Sinosoidal Equations help!!

  • Izzy Nelson oprettede et opslag

    Sinosoidal Equations help!!

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    Hi, hello, so, I am having problems on sinosoidal equations. I have watched the videos but they dont seem to correspond to me? An example is 7cos(9x)-1=1. I know to isolate until I get cos(9x)=2/7....

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