DocsFunctionsmathmath.Tanmath.TanReturns the tangent of the given radian number.Syntaxmath.Tan VALUEReturnsfloat64 New in v0.130.0{{ math.Tan 1 }} → 1.557407724654902 Last updated: January 31, 2025 : Improve new-in shortcode (367d3a7ab)Improve this page