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4 Cards in this Set
- Front
- Back
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Arc Length
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L = integral of l r'(t) l dt [ from a to b ]
This can also be found using the integral of the sum of the squared components of the vector. |
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Unit Tangent Vector
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T (t) = r'(t) / l r'(t) l
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Curvature of a Curve
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K = lr'(t) x r"(t) l / lr ('t) l^3
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Unit Normal Vector
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N (t) = T (t) / lT'(t)l
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