9709 P13 - Jun 2010 - Q4 - 5 marks
467
(i) Show that the equation \(2 \sin x \tan x + 3 = 0\) can be expressed as \(2 \cos^2 x - 3 \cos x - 2 = 0\).
(ii) Solve the equation \(2 \sin x \tan x + 3 = 0\) for \(0^\circ \leq x \leq 360^\circ\).
Solutions locked. Please sign in with access to view them.