SOLUTION: What is the exact value of cot - 30?

Algebra.Com
Question 586707: What is the exact value of cot - 30?
Answer by ad_alta(240)   (Show Source): You can put this solution on YOUR website!
cot(-30)=1/tan(-30)=1/(1/-sqrt(3))=-sqrt(3) [if you meant cot(30), just take away the negative sign --> sqrt(3)]
RELATED QUESTIONS

what is the refernece angle and the exact function value of cot 855... (answered by josgarithmetic,MathLover1)
if cot x=3 and cos x>0, what is the exact value of sin... (answered by Alan3354)
What is the EXACT answer of... (answered by lwsshak3)
What is exact value of sec(5pi/6)cos(7pi/4)- cot(-pi/3) Thank you. (answered by ad_alta)
what is the exact value without using a calculator. cot... (answered by Alex.33)
Find the value of cot 30°. (answered by Alan3354)
Find the exact value of cot(-315º). Thank... (answered by psbhowmick)
Find the exact value of cot(-π/6).... (answered by fractalier)
Find the exact value of cot... (answered by Fombitz)