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Math Help - parametric question!

  1. #1
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    parametric question!

    Hi, for my math class, I need to write my name into my graphing calculator using parametric equations. I'm using Allie, and I don't know how to create a semi-circle for the 'A', or the 'e'. Also, I'm not sure how to do the 'i', and by that I mean how to make the line shorter and also how to create the dot. Any help would be very appreciated! Thanks!
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  2. #2
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    a perfect semi circle can be created with x(t)=Bcos(t)\ \ y(t)=Bsin(t) with \frac{\pi}{2}\leq t\leq \frac{3\pi}{2} that will work for the "e", for the top of an A, you would need to restrict 0\leq t\leq \pi and making B a larger number will make the circle bigger
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  3. #3
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    Okay thank you, that does help. How do I restrict the in my calculator?
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  4. #4
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    depends what kind of calculator you have. The TI-83 onwards have a window button. Other calculators have a similar function.
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  5. #5
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    thank you! I forgot about the v-window.
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