| Exam Board | CAIE |
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| Module | P1 (Pure Mathematics 1) |
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| Year | 2022 |
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| Session | November |
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| Topic | Inequalities |
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3
- Find the set of values of \(k\) for which the equation \(8 x ^ { 2 } + k x + 2 = 0\) has no real roots.
- Solve the equation \(8 \cos ^ { 2 } \theta - 10 \cos \theta + 2 = 0\) for \(0 ^ { \circ } \leqslant \theta \leqslant 180 ^ { \circ }\).