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Mathematics 13 Online
OpenStudy (anonymous):

There are values of t so that the equation cos t=5/3 holds. True or False? Cos is adj/hyp, so wouldn't it be false? I feel like I'm completely missing something.

OpenStudy (primeralph):

Only complex values.

OpenStudy (primeralph):

Cost can not be greater than 1 or less than -1 for real numbers of t.

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