tan 1x

Is Cotangent The Inverse Of Tangent? cot(x) = 1/tan(x) , so cotangent is basically the reciprocal of a tangent, or, in other words, the multiplicative inverse. What is the inverse of tangent? So, the inverse of a tangent is called the arctangent Are cot and tan-1 the same? Cotangent is not same as tangent inverse.