In problems, verify that given equations are identities. (a) ex = cosh x + sinh x (b)
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(a) ex = cosh x + sinh x
(b) e2x = cosh 2x + sinh 2x
(c) e-x = cosh x - sinh x
(d) e-2x = cosh 2x - sinh 2x
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a cosh x sinh x e x e x 2 e x e x 2 2e x 2 e x b ...View the full answer
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