FORM 4&5 UNIT 10 1 Unit Content Form 4 & 5 Unit 10 Lesson 1: Finding the length of the hypotenuse Form 4 & 5 Unit 10 Lesson 2: Finding the length of the other sides Form 4 & 5 Unit 10 Lesson 3: Problems involving the use of Pythagoras' theorem Form 4 & 5 Unit 10 Lesson 4: Sine, Cosine and Tangent Form 4 & 5 Unit 10 Lesson 5: Calculating angles / Finding Unknown Angles Form 4 & 5 Unit 10 Lesson 6: Which ratio to use (sine, cosine and tangent altogether) Form 4 & 5 Unit 10 Lesson 7: Sine, Cosine and Tangent for any angle (acute, obtuse and reflex) Form 4 & 5 Unit 10 Lesson 8: The Sine, Cosine and Tangent curves Form 4 & 5 Unit 10 Lesson 9: Problems involving the use of trigonometric ratios Form 4 & 5 Unit 10 Lesson 10: The Sine Rule Form 4 & 5 Unit 10 Lesson 11: The Cosine Rule Form 4 & 5 Unit 10 Lesson 12: Choosing the correct rule (Sine and Cosine Rule altogether) Form 4 & 5 Unit 10 Lesson 13: Problems involving the use of Sine and Cosine Rule Form 4 & 5 Unit 10 Lesson 14: Angle of Elevation Form 4 & 5 Unit 10 Lesson 15: Angle of Depression Form 4 & 5 Unit 10 Lesson 16: Introduction to Bearings Form 4 & 5 Unit 10 Lesson 17: Understanding forward and back bearings Form 4 & 5 Unit 10 Lesson 18: Story problems involving bearings Form 4 & 5 Unit 10 Lesson 19: Application of sine and cosine rules to bearings Form 4 & 5 Unit 10 Lesson 20: Trigonometry in three dimensions
