| Exam Board | AQA |
|---|
| Module | Paper 2 (Paper 2) |
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| Year | 2020 |
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| Session | June |
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| Topic | Small angle approximation |
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4 Using small angle approximations, show that for small, non-zero, values of \(x\)
$$\frac { x \tan 5 x } { \cos 4 x - 1 } \approx A$$
where \(A\) is a constant to be determined.
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