Know the trigonometry ratios for 0°, 30°,45°,60° and 90°
Know the trigonometry ratios for 0°, 30°,45°,60° and 90°
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Lesson details
Key learning points
- 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°
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3 Questions
Q1.
Which angles of the trigonometry ratios will this triangle help you to find?
0°, 30°,45°,60° and 90°
45°
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Q2.
Which angles of the trigonometry ratios will this triangle help you to find?
0°, 30°,45°,60° and 90°
30° and 60°
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Q3.
Find the missing angle in the triangle below.
30°
60°
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