Difference between revisions of "Relationship between arctan and arccot"
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Revision as of 07:27, 8 June 2016
Theorem
The following formula holds: $$\mathrm{arctan}(z) = \mathrm{arccot}\left( \dfrac{1}{z} \right),$$ where $\mathrm{arctan}$ denotes the inverse tangent and $\mathrm{arccot}$ denotes the inverse cotangent.
