概要
Trigonometry
Lessons to help understand trigonometric concepts...
目次
Basic Graphing
Degrees-Radian Measures
Unit Circle
Sample Problems
Definitions of Trigonometry
- Basic Terms in Geometry
- The terms Adjacent, Hypotenuse, and Opposite sides
- Mnemonic for Learning Trig Function Values in Quadrant I
- The Standard Position of an Angle
- Standard Position (Improved)
- Defining the Coterminal Angle
- Reference Angles
- Trigonometry Terms
- Dividing Trigonometric Functions
- Finding an Inverse for the Cosine Function
- Finding an Inverse for the Tangent Function
- Triangle Inequality
- Triangle Inequality
- Trig Value Chart by 15°
- Trig Value Chart by π/12
Functions
- 1st Definition of Trigonometry Functions
- 2nd Definition of Trigonometry Functions (SohCahToa)
- SohCahToa
- Projection of Radius on x-Axis and y-Axis
- Function Review of Trigonometry
- Addition of 2 Sine Functions
- Adding 2 Sine Functions Graphically
- Adding Trigonometric Functions
- Subtracting Trigonometric Functions
- Multiplying Trigonometric Functions
- Composition of Trigonometric Functions
- The General Secant Function
- The General Sine Function
- Transform Sine/Cosecant
- Transform Cosine/Secant
- Transform Tangent/Cotangent
- Phase Shift of Trig Functions {tan(x) or cot(x)}
- Phase Shift of Trig Funct {sin(x), cos(x), sec(x), csc(x)}
- The Period of Trig Functs {tan(x) or cot(x)}
- The Period Trig Functions sin(x), cos(x), sec(x), or csc(x)
Identities