OCR MEI C2 2005 June — Question 8

Exam BoardOCR MEI
ModuleC2 (Core Mathematics 2)
Year2005
SessionJune
TopicTrig Equations

8
  1. Solve the equation \(\cos x = 0.4\) for \(0 ^ { \circ } \leqslant x \leqslant 360 ^ { \circ }\).
  2. Describe the transformation which maps the graph of \(y = \cos x\) onto the graph of \(y = \cos 2 x\).