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Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...
National 5 Maths - Calculating the area of a triangle using trigonometry Revise how to calculate the area of a non right-angled triangle as part of National 5 Maths.
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