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Trigonometry and conic sections

Give a polar equation for the curve whose graph is a vertical line that passes 3 units to the right of the origin.

A parabolic reflector has a width w=20 feet and a depth d =4 feet. how far from the center will the focal point be?

See attached for third question


Solution Summary

This shows how to give a polar equation for a given curve, determine the focal point of a parabolic reflector, and find the vertices of a hyperbola.