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

Use an equilateral triangle and an isosceles triangle to work out the exact values for trigonometry ratios for 0°, 30°,45°,60° and 90°

# Video

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# Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

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

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 3

Q1.Which angles of the trigonometry ratios will this triangle help you to find?

1/3

Q2.Which angles of the trigonometry ratios will this triangle help you to find?

2/3

Q3.Find the missing angle in the triangle below.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

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

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 3

Q1.Which angles of the trigonometry ratios will this triangle help you to find?

1/3

Q2.Which angles of the trigonometry ratios will this triangle help you to find?

2/3

Q3.Find the missing angle in the triangle below.

3/3

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

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