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Three Dimensional Geometry

This chapter covers the concept of direction cosines as well as finding the direction ratios of a line joining two points. The example problems are also given on Cartesian equation as well as the vector equation of a line. The formulas are provided to the students to find the shortest distance between two lines on a Cartesian plane. The formulas for finding the angle between lines, planes, and a line and a plane have also been introduced to the students in this chapter.

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