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My father and I know that that TAN 10 = 0.176, but how do we do it in reverse? For example if it just gave us the decimal
 Apr 9, 2013
 #1
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on a calculator you press Shift and the sin cos or tan button and you will get the inverse formula
 Apr 9, 2013
 #2
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[input]tan(10)[/input]
[input]atan(0.176326980709)[/input]
[input]tan^-1(0.176326980709)[/input]
 Apr 10, 2013

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