Solve for (in radians) if and .

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Solve for θ\theta (in radians) if 0≤θ<2π0 \le \theta < 2\pi and cos⁡(θ−π3)=12\cos\left(\theta - \dfrac{\pi}{3}\right)=\dfrac{1}{2}.

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