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Year 11 (2026) Maths Extension 1 (2026) Trigonometry

Auxiliary Angle Method

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Questions
Question 1
12481

In the domain, \(0 \le \theta \le 2\pi \), solve \(\cos \theta + \sin \theta = 1\)

\(0,\,\dfrac{\pi }{2},\,2\pi \)

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