9709 P1 - Jun 2008 - Q2 - 5 marks
468
(i) Show that the equation \(2 \tan^2 \theta \cos \theta = 3\) can be written in the form \(2 \cos^2 \theta + 3 \cos \theta - 2 = 0\).
(ii) Hence solve the equation \(2 \tan^2 \theta \cos \theta = 3\), for \(0^\circ \leq \theta \leq 360^\circ\).
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