2.4 Trigonometry

Trigonometry I can do, videos & powerpoints

Trigonometry Workbook & Answers

GeoGebra Resources

Non Right-angled Triangle

Finding the area of a non right-angled triangle

Finding a side using the cosine rule

Finding an angle using the cosine rule

Finding a side using the sine rule

Finding an angle using the sine rule

Finding the length of an arc

Finding the area of a sector

Finding the area of a segment

Sine Rule, a demonstration

Sine Rule, the ambiguous case

The Unit Circle

The Unit Circle (trigonometric graphs)

The Unit Circle (special triangles)

The Unit Circle (sin, cos, tan, sec, cosec, cot)

The Unit Circle (draw the special triangle)