Trigonometry
0 of 15 topics done
Trigonometric ratios
1Name sides and state trigonometric ratiosOpen, set of 8START2Evaluate a trigonometric ratio, and find an angle from its valueOpen, set of 8START3Choose a trigonometric ratioOpen, set of 8START
Finding unknown sides
Finding unknown angles
5Evaluate a trigonometric ratio, and find an angle from its valueOpen, set of 8START6Find an angle of a right-angled triangle from two sidesOpen, set of 8START
Solving right-angled triangles
Elevation and depression
Bearings and navigation
9Read and state three-figure bearingsOpen, set of 8START10Solve a navigation problem with bearingsOpen, set of 8START
Sine rule
11Use the sine rule in a non-right-angled triangleOpen, set of 8START12The ambiguous case of the sine ruleOpen, set of 8START
Cosine rule
13Use the cosine rule in a non-right-angled triangleOpen, set of 8START14Choose the rule a triangle problem needsOpen, set of 8START15Solve a practical triangle problem end to endOpen, set of 8START
Triangle area