Trigonometry

Bearings
Pythagoras’ theorem
Sine Cosine Tangent as multipliers
Unit Circle & sin cos tan vs angle
Sine and Cosine rules
Triangles, Circles, Hero’s Formula
Trigonometric identities
Solving trigonometric equations
Secant Cosecant Cotangent
Inverse trigonometric functions
Hyperbolic functions
Trigonometric identities using complex numbers