Trigonometry Home
Important Stuff You Need From Geometry
Triangle properties, Similar Triangles, Pythagorean Theorem and like that
Polar Notation
Notation and graphing designed for angles - Looks like a dartboard
Defining Trig Ratios
Sine, Cosine, Tangent, Secant, Cosecant, Cotangent
Trig Equations in Polar Form
Designing equations for polar notation and graphing
Trig Functions With Right Triangles
Solving right triangle values using trig
Tools to simplify nasty trig equations
Trig Functions With Other Triangles
Solving non right triangle values using trig
Fundamental Identities
The standard tools you should learn first
Law of Sines
A triangle solving tool
Half and Double Angle Formulas
Ways to calculate trig functions before calculators - still have some uses
Law of Cosines
Another triangle solving tool - aka: Pythagorean Theorem General Form
Imaginary Numbers
A way to calculate square roots of negative numbers eg: a + bi these have many other uses today
Graphing 101
Graphing angles on coordinate axis
Complex Numbers
Another form of notation eg: r + sinX these have many related uses
Graphing Trig Functions
Graphing Trig Functions on coordinate axis
Regular Pentagon Area
Using trig to find the area of regular pentagons.
Translations and Transformations
Moving, squashing, and stretching graphs
Radian Measure
An angle unit of measure based on Pi

copyright 2008 Bruce Kirkpatrick