A Level

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Calculate cos⁡(17π3)\cos\left(\dfrac{17\pi}{3}\right). (a) −32-\dfrac{\sqrt{3}}{2} (b) 12\dfrac{1}{2} (c) −12-\dfrac{1}{2} (d) 32\dfrac{\sqrt{3}}{2}

Related theory

Browse the problem library