Express in the form giving the values of and . My problem is I don't know which identities to use to change forms, I've recently started on this hyperbolic functions and am not very familiar with them yet. Thanks!
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Hello, arze! We need: . . . . Let: . Divide by 3: . .[1] Let: . Substitute into [1]: . . . . . And we have: . Hence: . Therefore: . . . . and: .
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