| Exam Board | AQA |
|---|
| Module | Further AS Paper 1 (Further AS Paper 1) |
|---|
| Year | 2018 |
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| Session | June |
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| Topic | Polar coordinates |
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4 Sketch the graph given by the polar equation
$$r = \frac { a } { \cos \theta }$$
where \(a\) is a positive constant.
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