## University Calculus: Early Transcendentals (3rd Edition)

a) Need to calculate the value of inverse trigonometric function . $cot^{-1}(-1)=\frac{3\pi}{4}$ b) Need to calculate the value of inverse trigonometric function. $cot^{-1}({\sqrt 3})=(\frac{\pi}{6})$ c) Need to calculate the value of inverse trigonometric function. $cot^{-1}(-\frac{1}{\sqrt 3})=\frac{2\pi}{3}$
a) Need to calculate the value of inverse trigonometric function . $cot^{-1}(-1)=\frac{3\pi}{4}$ b) Need to calculate the value of inverse trigonometric function. $cot^{-1}({\sqrt 3})=(\frac{\pi}{6})$ c) Need to calculate the value of inverse trigonometric function. $cot^{-1}(-\frac{1}{\sqrt 3})=\frac{2\pi}{3}$