Mensuration
Plane geometry
Properties of polygons
Properties of triangles
Properties of circles
Pythagoras’ theorem
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Trigonometric ratio
Sine and cosine rules in scalene triangles
Cosine rule
Sine rule
Areas of triangles
Sine, cosine, tangent graphs
Solutions of trigonometric equations
- Use the calculator to find the first angle called the principal solution
- The second angle can be obtained using the following rules
Trigonometric identities