Using advanced mathematical tools inspired by physics, the team has derived a general equation for any number of tangent ...

Monash University researchers have extended Descartes’ Circle Theorem by finding a general equation for any number of tangent ...

Tangents close tangentA straight line that just touches a point on a curve. A tangent to a circle is perpendicular to the radius which meets the tangent. which meet at the same point are the same ...

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle ... the Tangent to a Parabola 2.1 An applet illustrating how the tangent to a ...

ie the line cuts the circle at two distinct points, the line is a tangent to the circle or the line misses the circle. To work out which case you have, use algebra to work out how many points of ...