Question

please give the solution of cot
-240°​

Answer 1

Answer:

-1/√3

Explanation:

cot(-240°)

= - cot(240°) [cot(-theta) = - cot theta]

= - 1/tan(180°+60°)

= - 1/tan 60° [tan(180°+ theta) = tan theta]

= - 1/√3.