kalau bisa isi saya kasih 20 poin mohon isi... Yg ahli mtk pasti tau

Cos 60° = 1/2
Sin 60° = √3/2
Cottan atau Cot 60° = √3/3

jawab

cosec 60 = 1/(sin 60) = 1/(1/2 √3) = 1/ (1/2 √3) X (2√3)/(2√3)
cosec 60 = (2√3) /(3) = 2/3 √3

sec 60 = 1/cos 60 = 1/(1/2) = 2

cot 60 = 1/tan 60 = 1/√3 = 1/3 √3