WJEC Further Unit 4 2022 June — Question 8

Exam BoardWJEC
ModuleFurther Unit 4 (Further Unit 4)
Year2022
SessionJune
TopicHyperbolic functions
8. By writing \(x = \sinh y\), show that \(\sinh ^ { - 1 } x = \ln \left( x + \sqrt { x ^ { 2 } + 1 } \right)\).
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