showing teacher deriving circle parametrizing board sphere origin |
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| navigate by keyword : circle parametrization plane sphere teacher chalkboard deriving intersection geometry vector center radius orthonormal origin sqrt22 equation basis normal projection compute unitvector perpendicular gram schmidt cos sin 2pi linearalgebra blackboard paper formula explicit constants orthonormalbasis trigonometry direction components notation dotproduct distance magnitude coordinates teaching analysis |
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| Showing teacher deriving circle parametrizing on board, x+2y+3z=6; sphere origin r=âËÅ¡22; C,R; e1,e2. Intersection, geometry, vector, center, radius, orthonormal, chalkboard |
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