CAIE P2 2024 June — Question 4

Exam BoardCAIE
ModuleP2 (Pure Mathematics 2)
Year2024
SessionJune
TopicAddition & Double Angle Formulae
4
  1. Show that \(3 \tan 2 \theta + \tan \left( \theta + 45 ^ { \circ } \right) \equiv \frac { \tan ^ { 2 } \theta + 8 \tan \theta + 1 } { 1 - \tan ^ { 2 } \theta }\).
  2. Hence solve the equation \(3 \tan 2 \theta + \tan \left( \theta + 45 ^ { \circ } \right) = 4\) for \(0 ^ { \circ } < \theta < 180 ^ { \circ }\).
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