4: Coordinate Geometry in Three Dimensions Last updated Dec 30, 2020 Save as PDF 3.8: Trigonometrical Formulas 4.1: Introduction Page ID6811 Jeremy TatumUniversity of Victoria ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Introduction4.2: Planes and Straight Lines4.3: The Ellipsoid4.4: The Paraboloid4.5: The Hyperboloid4.6: The Cylinder4.7: The Cone4.8: The General Second Degree Equation in Three Dimensions4.9: Matrices