| Exam Board | CAIE |
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| Module | P1 (Pure Mathematics 1) |
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| Year | 2024 |
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| Session | June |
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| Topic | Trig Equations |
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3
- Show that the equation \(\frac { 7 \tan \theta } { \cos \theta } + 12 = 0\) can be expressed as
$$12 \sin ^ { 2 } \theta - 7 \sin \theta - 12 = 0$$
- Hence solve the equation \(\frac { 7 \tan \theta } { \cos \theta } + 12 = 0\) for \(0 ^ { \circ } \leqslant \theta \leqslant 360 ^ { \circ }\).