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Cambridge IGCSE Additional Mathematics

10.1The six trigonometric functions

The six trigonometric functions in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 10.1Know and use the six trigonometric functions of angles of any magnitude.

Lessons

  • The six trigonometric functions of any angle

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

The six trigonometric functions: sample question

1 mark

Without a calculator, find the exact value of cos⁡120°\cos 120°. Give your answer as a fraction or a decimal.

Only if the answer has a unit, e.g. cm or km/h.

Turn The six trigonometric functions into a strength.

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