Edexcel C2 — Question 6

Exam BoardEdexcel
ModuleC2 (Core Mathematics 2)
TopicTrig Equations

6. Given that \(2 \sin 2 \theta = \cos 2 \theta\),
  1. show that \(\tan 2 \theta = 0.5\).
  2. Hence find the values of \(\theta\), to one decimal place, in the interval \(0 \leq \theta < 360\) for which \(2 \sin 2 \theta ^ { \circ } = \cos 2 \theta ^ { \circ }\).
    (5)
    [0pt] [P1 June 2001 Question 2]