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How do you solve arccot(.587)

Quote: Originally Posted by wgorie How do you solve arccot(.587) $\displaystyle x = arccot(0.587) \Rightarrow 0.587 = \cot x = \frac{1}{\tan x}$. Therefore $\displaystyle \frac{1}{0.587} = \tan x \Rightarrow x = \arctan \left( \frac{1}{0.587} \right) = ..... $