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- Year 10
- Higher
Right-angled trigonometry
Lessons (13)
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I can use Pythagoras' theorem to calculate the length of a side of a right-angled triangle.
I can use Pythagoras' theorem to justify whether a triangle is right-angled.
I can calculate the length of a line segment on a coordinate grid in all four quadrants or using the coordinate pairs.
I can see how the trigonometric functions are derived from measurements within a unit circle and how this can be utilised.
I can use the sine ratio to find the missing side or angle in a right-angled triangle.
I can use the cosine ratio to find the missing side or angle in a right-angled triangle.
I can use the tangent ratio to find the missing side or angle in a right-angled triangle.
I can calculate trigonometric ratios for 30° and 60°.
I can calculate trigonometric ratios for 0°, 45° and 90°.
I can apply trigonometric ratios to practical situations including angles of elevation and depression.
I can apply knowledge of Pythagoras' theorem to 3D problems.
I can apply knowledge of trigonometric ratios to 3D problems.
I can use my knowledge of right-angled trigonometry to solve problems.
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