# Year 10 Autumn 1 2021-22

TRIGONOMETRY, SURDS & PYTHAGORAS (6.5 school weeks)

##### FOUNDATION

Lesson 1: Work fluently with the hypotenuse, opposite and adjacent sides

Lesson 2: Use the tangent ratio to find missing side lengths

Lesson 3: Use the sine and cosine ratio to find missing lengths

Lesson 4: Use all three ratios to find missing lengths

Lesson 5: Use all three ratios to find missing angles

Lesson 6: Working with Surds

Lesson 7: Simplifying Surds

Lesson 8: Expanding Brackets with Surds

Lesson 9: Find exact values for all three ratios for special angles

Lesson 10: Working with exact values

Lesson 11: Calculate sides using Pythagoras Theorem

Lesson 12: Method selection

Lesson 13: Solving area problems using Pythagoras and Trigonometry

Half Term Check up

##### HIGHER

Lesson 1: Work fluently with the hypotenuse, opposite and adjacent sides

Lesson 2: Use the tangent ratio to find missing side lengths

Lesson 3: Use the sine and cosine ratio to find missing lengths

Lesson 4: Use all three ratios to find missing lengths

Lesson 5: Use all three ratios to find missing angles

Lesson 6: Find exact values for all three ratios for special angles

Lesson 7: Working with exact values

Lesson 8: Calculate sides using Pythagoras Theorem

Lesson 9: Method selection

Lesson 10: Solving area problems using Pythagoras and Trigonometry

Lesson 11: Use the formula 1/2absinC to find the area of non right angled triangles

Lesson 12: Understand and use the Sine Rule to find missing lengths

Lesson 13: Understand and use the Sine Rule to find missing angles

Lesson 14: Understand and use the Cosine Rule to find missing lengths

Lesson 15: Understand and use the Cosine Rule to find missing angles

Lesson 16: Choose and use the Sine and Cosine Rules

Lesson 17 : Drawing Trigonometric Graphs

Lesson 18 : Solving Trigonometric Equations

Half Term Check up

Last years Trigonometry Lessons can still be found here