If angle is acute, between 0 and 90 degrees, trigonometric functions have inverses {trigonometric inverse}: sin^-1 {arcsine}, cos^-1 {arccosine}, tan^-1 {arctangent}, cot^-1 {arccotangent}, sec^-1 {arcsecant}, and csc^-1 {arccosecant}.
Mathematical Sciences>Algebra>Function>Kinds>Trigonometric
3-Algebra-Function-Kinds-Trigonometric
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Date Modified: 2022.0224