How use tan-1?

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How use tan-1?

Guest Feb 22, 2016

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Best Answer

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Press the 2nd key, then use atan, which is the same as tan^-1

Alan Feb 22, 2016

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+33659

+10

Best Answer

Press the 2nd key, then use atan, which is the same as tan^-1

Alan Feb 22, 2016

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