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How do you calculate ${tan}^{- 1} 3.9$ $tan^-1 3.9$ ?

1 Answer

Aug 25, 2016

$x = 75^{\circ} 62$ $x = 75^@62$

Explanation:

Use calculator:
tan x = 3.9 --> arc $x = 75^{\circ} 62$ $x = 75^@62$

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