Question

tang tanh
4x + cosh(5x)
$\sqrt{4x + cos {h}^{2} (5x)}$
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Answer 1

Answer:

2 show that cosh2 x + sinh2 x = cosh 2x. (c) By considering cosh x + sinh x ... tanh x occurs, it must be regarded as involving sinh x. Therefore, to ... (c) cosech 5x +3 ... 2x2 + 4x + 7 . (. ) −1.