Tuesday, July 19, 2011

Evaluate the function. If the value is not a rational number, round your answer to three decimal places.


Take note that hyperbolic sine is defined as




Applying this formula, the expression becomes




Expressing it with positive exponent only, it turns into



This is the exact value of sinh(3).  


Its approximate value is



Rounding off to three decimal places, it becomes




Therefore,  .

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