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QUESTION 1 Prove the following identity using definition of hyperbolic functions cosh' (x)-1= sinh? (x) QUESTION 1 Prove the following identity using definition of hyperbolic

QUESTION 1 Prove the following identity using definition of hyperbolic functions cosh' (x)-1= sinh? (x)

QUESTION 1 Prove the following identity using definition of hyperbolic functions cosh2(x) 1 = sinh2(x). (5 marks)

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