Edexcel OLevel Pure Math Revision Note & Solutions

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Lesson

Lesson-10.1.6- Use of the identity tan?? = sin??/cos??

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Lesson-10.1.5- The identity cos ^2 ??+sin^2 ?? = 1Previous Lesson-10.1.7- Formal proofs of sin(A + B), cos(A + B) formulae will not be required.Next