Trigonometry
The study of triangles
Basic Trigonometry
- Definitions
- Using Tan to find angle
- Using Tan to find side
- Using Sine to find angle
- Using Sine to find side
- Using Cos to find angle
- Using Cos to find side
- Which ratio?
Formulae
- Trig refresher
- sec, cosec & cot
- Compound formulae
- Double Angle
- Half Angle
- Product formulae
- Multiple Angle
- Algebra - Solving Trig equations
- Area of a triangle - derivation
- Area of a triangle - example
- Sine Rule - derivation
- Sine Rule- Example
- Cosine Rule - derivation
- Cosine Rule- Examples
- Which rule to use ? SSS,etc
- Amplitude and Period definition
- See how
trig graphs are affected by a change in amplitude or phase angle.
Interactive Excel sheet
Radians
© Alexander Forrest