Nilai dari cot 60°.cos 30°.cosec 30° adalah....

[tex]trigonometri \\ \cot(60) \cos(30) \csc(30) \\ = \frac{ \cos(60) }{ \sin(60) } \cos(30) \times \frac{1}{ \sin(30) } \\ = \frac{ \frac{1}{2} }{ \frac{1}{2} \sqrt{3} } . \frac{1}{2} \sqrt{3} . \frac{2}{1} = 1 [/tex]