CAIE P1 2015 June — Question 1

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2015
SessionJune
TopicTrig Equations
1 Given that \(\theta\) is an obtuse angle measured in radians and that \(\sin \theta = k\), find, in terms of \(k\), an expression for
  1. \(\cos \theta\),
  2. \(\tan \theta\),
  3. \(\sin ( \theta + \pi )\).
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