Exact value cot^-1(-sqrt 7)

[From: ] [author: ] [Date: 12-02-12] [Hit: ]

cot^-1 (-√7)
1 / cot^1 (-√7)
1 / cot (-√7)
1 / (1 / tan (-√7))
tan (-√7)
About 0.54

This is what I got...
-0.36136716

I hope I helped! :)

keywords: Exact,cot,sqrt,value,Exact value cot^-1(-sqrt 7)