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TAN

Math & trig

Tangent of an angle given in radians.

Syntax

TAN(number)

Full notes for TAN are still being written. Use the AI explainer below for the arguments, a worked example and common mistakes.

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Syntax follows Microsoft’s documentation. Examples are written to be pasted into a cell and checked. Argument separators may be ; in your locale. The AI explainer runs on a free community model — verify anything important.