Find the exact​ value, if​ any, of the following composite function. Do not use a calculator.

tangent Superscript negative 1 Baseline left bracket tangent left parenthesis negative StartFraction 4 pi Over 13 EndFraction right parenthesis right bracket
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Part 1
Select the correct choice below​ and, if​ necessary, fill in the answer box within your choice.
A.
tangent Superscript negative 1 Baseline left bracket tangent left parenthesis negative StartFraction 4 pi Over 13 EndFraction right parenthesis right bracket
equals
  
enter your response here  
​(Simplify your answer. Type an exact​ answer, using pi as needed. Use integers or fractions for any numbers in the​ expression.)
B.
It is not defined.

A.

tangent^(-1) [tan(-4pi/13)] = -4pi/13.