Find the Value of Given Trigonometric Function $\cot ( - 0.9 )$

Multiple Choice

Find the value of given trigonometric function.Round your answer to four decimal places.​ $\cot ( - 0.9 )$ ​

A) $\cot ( - 0.9 ) \approx - 0.6936$
B) $\cot ( - 0.9 ) \approx - 0.7936$
C) $\cot ( - 0.9 ) \approx - 0.5936$
D) $\cot ( - 0.9 ) \approx - 0.8936$
E) $\cot ( - 0.9 ) \approx 0.7936$