Question

determine o valor de cotangente 60°

Answer 1

$cotg=\frac{1}{tg}\\tg60= \sqrt{3} \\cot60=\frac{1}{ \sqrt{3} }=\frac{ \sqrt{3} }{3}$

Answer 2

$cotg(60^o)=\frac{cos60^o}{sen60^o}=\frac{\frac{1}{2}}{\frac{\sqrt3}{2}}=\frac{1}{\sqrt3}=\frac{\sqrt3}{3}$