Edexcel C3 2015 June — Question 1

Exam BoardEdexcel
ModuleC3 (Core Mathematics 3)
Year2015
SessionJune
TopicAddition & Double Angle Formulae

  1. Given that
$$\tan \theta ^ { \circ } = p , \text { where } p \text { is a constant, } p \neq \pm 1$$ use standard trigonometric identities, to find in terms of \(p\),
  1. \(\tan 2 \theta ^ { \circ }\)
  2. \(\cos \theta ^ { \circ }\)
  3. \(\cot ( \theta - 45 ) ^ { \circ }\) Write each answer in its simplest form.