Finding the angle between two lines whose equations are in intercept form.
Finding the area of a triangle in terms of polar coordinates of its three vertices.
Angles on a modified coordinate plane.
Transforming from one set of rectangular axes to another with the same origin, but different direction.
An inscribed triangle in a circle.
A circle and triangle situated on coordinate planes.
A circle in its common, or central form. This is used to assist students in finding the equation of…
Changing from polar to rectangular coordinates.
Finding the perpendicular distance of points whose equation is x cosa + y sina = p.
Tangent lines are drawn from a given external point to a circle. The equation is found by joining their…
Finding the equation of a circle with the origin as its center.
Finding the equation of a line through two given points.
Finding the equation of the normal at any point on a circle.
Other forms of line equations.
A line with a standard form equation.
A line with intercept form equation.
Geometrical perspective drawing.
Equation of a line with two given points and a given inclination.
Equation of a straight line: a) parallel to y-axis, b) parallel to x-axis.
A positive slope line making a 60 degree angle with the x-axis.
A circle with many tangent and secant lines passing through it.
Another method for using perpendicular form.
A straight line through the origin of a coordinate plane.
An alternate form of the perpendicular distance method.
A circle with part of a triangle inscribed in it. They are lying on a coordinate plane.
Finding the equation of a line drawn through a given point at a given direction.
Any system of coordinate axes to another set which is parallel to the former, but with different origins.