CAIE P1 2006 November — Question 2

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2006
SessionNovember
TopicReciprocal Trig & Identities

2 Given that \(x = \sin ^ { - 1 } \left( \frac { 2 } { 5 } \right)\), find the exact value of
  1. \(\cos ^ { 2 } x\),
  2. \(\tan ^ { 2 } x\).