Trigonometry
SOH-CAH-TOA; exact trig values; sine and cosine rules (MAJOR NEW v9); area ½ab sinC; bearings (NEW v9); 3D trigonometry (NEW v9).
21 worksheetsRead the explainer →
- 13D TrigonometryFind angles and lengths in 3D figures using Pythagoras and trig.adaptive
- 2Trig Ratios (sin, cos, tan)Define and identify sine, cosine, and tangent ratios in a right triangle.adaptive
- 3Find Trig Ratios from a Right TriangleCalculate all six trig ratios given the sides of a right triangle.adaptive
- 4Evaluate Trig Ratios with a CalculatorUse a calculator to evaluate trig ratios and find angles using inverse trig.adaptive
- 5Exact Values of Trig Ratios (Special Angles)Recall exact trig values for 0°, 30°, 45°, 60°, 90°.adaptive
- 6Find Missing Sides Using TrigUse SOH-CAH-TOA to find missing sides of right triangles.adaptive
- 7Find Missing Angles Using Inverse TrigUse sin⁻¹, cos⁻¹, tan⁻¹ to find missing angles of right triangles.adaptive
- 8Solve Right Triangles CompletelyFind all unknown sides and angles of a right triangle.adaptive
- 9Angles of Elevation and DepressionApply trig to angle of elevation and depression problems.adaptive
- 10Trig Applications — Word ProblemsSolve real-world problems using right-triangle trigonometry.adaptive
- 11Sine RuleApply a/sin(A)=b/sin(B)=c/sin(C) to non-right triangles.adaptive
- 12Cosine RuleApply c²=a²+b²-2ab cos(C) to non-right triangles.adaptive
- 13Solve Triangles Using the Sine RuleFind unknown sides and angles using the sine rule.adaptive
- 14Solve Triangles Using the Cosine RuleFind unknown sides and angles using the cosine rule.adaptive
- 15Ambiguous Case of the Sine RuleIdentify when the ambiguous case (SSA) produces 0, 1, or 2 triangles.adaptive
- 16Area of a Triangle Using Sine FormulaApply Area = ½ab sin(C) to find the area of any triangle.adaptive
- 17Mixed Sine and Cosine RuleChoose between sine and cosine rules to solve a triangle.adaptive
- 18Advanced Angles of Elevation and DepressionSolve multi-step elevation/depression problems including non-right triangles.adaptive
- 19Bearings and NavigationSolve navigation problems using three-digit bearings and trigonometry.adaptive
- 20Trig Word Problems MixedMixed trigonometry word problems using sine rule, cosine rule, and right triangles.adaptive
- 21Trigonometry Mixed ReviewComprehensive mixed review of all Year 10 trigonometry.adaptive