| Exam Board | Edexcel |
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| Module | AEA (Advanced Extension Award) |
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| Year | 2002 |
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| Session | Specimen |
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| Topic | Addition & Double Angle Formulae |
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3．Solve for values of \(\theta\) ，in degrees，in the range \(0 \leq \theta \leq 360\) ，
$$\sqrt { } 2 \times ( \sin 2 \theta + \cos \theta ) + \cos 3 \theta = \sin 2 \theta + \cos \theta$$