# Unit Overview: Trigonometry 3

## Lessons:

4 lessons

### Know the trigonometry ratios for 0°, 30°,45°,60° and 90°

In this lesson, we will use an equilateral triangle and an isosceles triangle to work out the exact values for trigonometry ratios for 0°, 30°,45°,60° and 90°

• 1 Quiz
• 7m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Substitute the exact values to find a missing length

In this lesson, we will find a missing length of a right angled triangle using prior knowledge of exact trigonometry ratios for 0°, 30°,45°,60° and 90°

• 2 Quizzes
• 4m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Use trigonometry to solve bearing problems

In this lesson, we will apply prior knowledge of bearings and trigonometry to solve problems.

• 2 Quizzes
• 5m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Know when to use Pythagoras or Trigonometry to solve problems

In this lesson, we will recognise when it is appropriate to use Pythagoras or Trigonometry when finding missing lengths and angles in right angle triangles.

• 2 Quizzes
• 7m Video
• Presentation(PPT)
• Worksheet
• Transcript