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GCSE Maths

Geometry

Exact Trigonometric Values (e.g. sin 30° = ½)

Exact Trigonometric Values (e.g. sin 30° = ½)

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Level 7–8
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Key Points 

  • Learn the exact values for 0°, 30°, 45°, 60° and 90°.

  • Leave answers as fractions or surds.

  • Do not use a calculator unless instructed.


Keywords: exact trigonometric values, sin 30, cos 60, tan 45, surds, GCSE maths.

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