9709 P32 - Mar 2016 - Q2 - 6 marks
133
Express the equation \(\tan(\theta + 45^\circ) - 2 \tan(\theta - 45^\circ) = 4\) as a quadratic equation in \(\tan \theta\). Hence solve this equation for \(0^\circ \leq \theta \leq 180^\circ\).
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