Determine all values of in the interval that satisfy .

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

Problem

Determine all values of θ\theta in the interval 0∘≤θ<360∘0^{\circ} \le \theta < 360^{\circ} that satisfy cos⁡2θ=−12\cos 2\theta = -\dfrac{1}{2}.

Related theory

Browse the problem library