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Test yourself

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Trigonometry test questions - Edexcel - GCSE Maths Revision - BBC Bitesize

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Revise trigonometric ratios of sine, cosine and tangent and calculate angles in right-angled triangles with this Bitesize GCSE Maths Edexcel guide.

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The exact values for sin and cos 0, 30, 45, 60 and 90

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Learn the basic angle properties of triangles and quadrilaterals

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Interior & Ext Angles

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Interior and Exterior angles of polygons

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Try an online exam!