BigFoltz3919 BigFoltz3919

06-06-2023
Mathematics

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Recall that the circumference of a circle with radius r is given by 2πr. (a) Use the normal circumference formula to find the circumference of a circle with radius 7. (b) Prove your answer from part (a) using the arc length formula for parametric curves. Hint: A circle with radius 7 can be parametrized as x=7cost,y=7sint with 0≤t≤2π.

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