OCR C3 2007 January — Question 2

Exam BoardOCR
ModuleC3 (Core Mathematics 3)
Year2007
SessionJanuary
TopicReciprocal Trig & Identities
2 It is given that \(\theta\) is the acute angle such that \(\sin \theta = \frac { 12 } { 13 }\). Find the exact value of
  1. \(\cot \theta\),
  2. \(\cos 2 \theta\).
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