Question

cotg de 30 queria saber pois tenho duvida

Answer 1

tg30° = √3/3

cotg = 1/tg

cotg30° = 1/√3/3
cotg30° = 1 × 3/√3
cotg30° = 3/√3 × √3/√3
cotg30° = 3√3/3
cotg30° = √3

Resposta: cotg30° = √3