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Trigonometry Videos and Worksheets
8 Topics30 Key Skills
Pythagoras
📅 15 NovGrades 4 to 5 · Foundation and Higher
Using Pythagoras to Find a HypotenuseGrade 4
Using Pythagoras to Find a Non-Hypotenuse SideGrade 4
Distance Between Two PointsGrade 5
Using SOH, CAH & TOA
📅 15 NovGrade 5 · Foundation and Higher
Fundamentals of SOH, CAH, TOAGrade 5
Finding Side Lengths Using SOH, CAH, TOAGrade 5
Finding Angles Using SOH, CAH, TOAGrade 5
Finding Angles of Elevation & DepressionGrade 5
Finding the Height of an Equilateral TriangleGrade 5
Bearings Problems Involving SOH, CAH, TOAGrade 5
Sine Rule
📅 15 NovGrade 7 · Higher Only
Fundamentals of the Sine RuleGrade 7
Finding Side Lengths Using the Sine RuleGrade 7
Finding Angles Using the Sine RuleGrade 7
Combining the Sine Rule with Other RulesGrade 7
Cosine Rule
📅 15 NovGrade 7 · Higher Only
Fundamentals of the Cosine RuleGrade 7
Finding Side Lengths Using the Cosine RuleGrade 7
Finding Angles Using the Cosine RuleGrade 7
Combining the Cosine Rule with Other RulesGrade 7
Area Rule
📅 15 NovGrade 7 · Higher Only
Calculating Area Using ½ab sin CGrade 7
Calculating Side Lengths Using ½ab sin CGrade 7
Finding the Area of a ParallelogramGrade 7
Using the Area Rule with Isosceles TrianglesGrade 7
Exact Trig Values
📅 15 NovGrade 5 · Foundation and Higher
Hand Method for Exact Trig ValuesGrade 5
Applied Exact Trig Values QuestionsGrade 5
SOH, CAH, TOA with Exact Trig ValuesGrade 5
3D Pythagoras & Trigonometry
📅 15 NovGrade 8 · Higher Only
3D PythagorasGrade 8
3D TrigonometryGrade 8
Trigonometric Graphs
📅 15 NovGrade 8 · Higher Only
Sketching sin, cos & tanGrade 8
Transforming Trigonometric GraphsGrade 8
Calculating Values of Trig Functions Using GraphsGrade 8
Solving Trigonometric Equations Using a GraphGrade 8
Other Sections
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