Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

cot 120° =	A. \(\large\boldsymbol{-\:\frac {\sqrt 3} {3} }\)
	B. \(\large\boldsymbol{-\:\frac {\sqrt 3} {2} }\)
	C. \(\large\boldsymbol{\sqrt 3 }\)
	D. \(\large\boldsymbol{\frac {\sqrt 3} {3} }\)
	E. \(\large\boldsymbol{-\,\sqrt 3 }\)

[ 4-4950 - op net sinds 16.2.07-(E)-30.10.2023 ]

Translation in E N G L I S H

See above

Oplossing - Solution

$\cot 120^\circ = -\cot 60^\circ = -\tan 30^\circ=-\: \frac{\sqrt{3}}{3}$

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