Math Problem Statement

на поверхности r= {u cos v, u sin v, av}, a = const. найти линии, которые в каждой точке делят пополам углы между координатными линиями.

Solution

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Math Problem Analysis

Mathematical Concepts

Differential Geometry
Parametric Surfaces
Metric Tensor

Formulas

Metric tensor components

Theorems

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Suitable Grade Level

Advanced Undergraduate