Cambridge IGCSE Additional Mathematics
10.4, 10.6Identities and proofs
Identities and proofs in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 10.4Use the Pythagorean identities in sin and cos, sec and tan, and cosec and cot.
- 10.6Prove trigonometric relationships involving the six functions.
Lessons
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Trigonometric identities and proofs
40 min
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Sample question
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