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Circular helix

The unit-speed circular helix

γ (s) = (a cos \frac{s}{a ^{2} + b ^{2}}, a sin \frac{s}{a ^{2} + b ^{2}}, \frac{b s}{a ^{2} + b ^{2}})

has constant curvature

a / (a^{2} + b^{2})

and constant torsion

b / (a^{2} + b^{2})

.

 Ancestors (6)

 Incoming links (1)

Solution