How do you evaluate cot300°?

2 Answers
Jul 1, 2015

cot(300^o) = - 1/sqrt(3)

Explanation:

300^o is equivalent to -60^o

A 60^o angle is one of the standard triangle angles with sides as indicated below:
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By definition:
color(white)("XXXX")cot = ("adjacent side")/("opposite side")

Jul 2, 2015

Find cot 300

Explanation:

cot 300 = cot (120 + 180) = cot 120

Trig table gives -> cot 120 = - (sqrt3)/3