More Lessons for PreCalculus

Math Worksheets

Questions and Answers for IIT JEE examinations.

Tangent Line Hyperbola Relationship (very optional)

How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video)

Hyperbola Eccentricity

Figuring out a normal vector to a plane from its equation

Distance between a point and a plane in three dimensions

Distance Between Planes

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