AQA FP2 2010 June — Question 1

Exam BoardAQA
ModuleFP2 (Further Pure Mathematics 2)
Year2010
SessionJune
TopicHyperbolic functions
1
  1. Show that $$9 \sinh x - \cosh x = 4 \mathrm { e } ^ { x } - 5 \mathrm { e } ^ { - x }$$
  2. Given that $$9 \sinh x - \cosh x = 8$$ find the exact value of \(\tanh x\).
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