PureA-level
Trigonometry
Identities, equations, and radian measure.
15 concepts
Sessions of 10 — 288 waiting, easiest first
The path
Work top to bottom · tap to open- 1
The sine and cosine rules
Not started29 questions - 2
Exact values of trigonometric ratios
Not started24 questions - 3
Graphs of sine, cosine and tangent
Not started31 questions - 4
Trigonometric identities
Not started19 questions - 5
Solving trigonometric equations
Not started57 questions - 6
Radian measure
Not started31 questions - 7
Arc length and sector area
Not started33 questions - 8
Small angle approximations
Not started23 questions - 9
Reciprocal trigonometric functions
Not started12 questions - 10
The sec/cosec/cot identities
Not started26 questions - 11
Inverse trigonometric functions
Not started12 questions - 12
Addition formulae
Not started31 questions - 13
Double-angle formulae
Not started42 questions - 14
The R-form (a sinθ + b cosθ)
Not started28 questions - 15
Proving trigonometric identities
Not started26 questions