# How do you find the exact value of cot^-1(-5)?

${11.31}^{o}$( rounded to hundredth place)
${\cot}^{-} 1 \left(- 5\right) = {\tan}^{-} 1 \left(- \frac{1}{5}\right) = - {\tan}^{-} 1 \left(\frac{1}{5}\right) = - {11.31}^{o}$ (rounded to hundredth place).