9709 P12 - Nov 2012 - Q6 - 7 marks
460
(i) Show that the equation \(2 \cos x = 3 \tan x\) can be written as a quadratic equation in \(\sin x\).
(ii) Solve the equation \(2 \cos 2y = 3 \tan 2y\), for \(0^\circ \leq y \leq 180^\circ\).
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