Cotg^2 x - akar 3 cotg x = 0
Matematika
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Pertanyaan
Cotg^2 x - akar 3 cotg x = 0
1 Jawaban
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1. Jawaban Anonyme
cot² x - √3 cot x = 0
cot x (cot x - √3) = 0
cot x = 0 ---> x = 90°, 270°
cot x = √3 ---> x = 30°, 210°
HP = {30°, 90°, 210°, 270°}