In this lesson, Math Fortress prepares you for multivariable calculus by going over the basics of one-, two- and three-dimensional coordinate systems.
Math Fortress provides more visuals to help you conceptualize and compare two- and three-dimensional coordinate systems and introduces projections in 3D space.
In this lesson, Math Fortress walks you through five examples showing how to graph equations in R cubed, or three-dimensional space, of planes and cylinders.
In this lesson, Math Fortress shows how to adapt the Midpoint and Distance formulas to include the coordinate z in a three-dimensional Cartesian system.
See how to find the distance between points on a line, to check if points are collinear, and how to derive the equation of a sphere in three dimensions.
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