Question: Prove that sinh1 t = ln(t + t 2 + 1). Let t = sinh x. Prove that cosh x = t 2 + 1

Prove that sinh−1 t = ln(t + √t2 + 1). Let t = sinh x. Prove that cosh x = √t2 + 1 and use the relation sinh x + cosh x = ex

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