June 2022 Paper 1 Q4

AQACurrent spec3 marksExact Trig Values & Graphs

4

(a) Circle the value of \(\quad \tan^2 30^\circ\) [1 mark]
  • \(\dfrac{1}{4}\)
  • \(\dfrac{1}{3}\)
  • \(\dfrac{1}{2}\)
  • \(\dfrac{3}{4}\)
(b) On the axes, sketch\[y = \cos x \quad \text{for} \quad 0^\circ \leqslant x \leqslant 360^\circ\][2 marks]
Blank axes with x from 0° to 360° marked every 90° and y marked at −1, 0 and 1