Question: 3. (a) Calculate cosh log (2) exactly, i.e. without using a calculator. 191 (b) Calculate sin(arctan(2)) exactly, i.e. without using a calculator. (c) Without using


3. (a) Calculate cosh log (2) exactly, i.e. without using a calculator. 191 (b) Calculate sin(arctan(2)) exactly, i.e. without using a calculator. (c) Without using a calculator, find all values of sinhr, if tanhe = 191 hyperbolic identity.)
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