CAIE P1 2002 November — Question 5

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2002
SessionNovember
TopicTrig Equations

5
  1. Show that the equation \(3 \tan \theta = 2 \cos \theta\) can be expressed as $$2 \sin ^ { 2 } \theta + 3 \sin \theta - 2 = 0$$
  2. Hence solve the equation \(3 \tan \theta = 2 \cos \theta\), for \(0 ^ { \circ } \leqslant \theta \leqslant 360 ^ { \circ }\).