Question

Sin²60° сколько будет?

Answer 1

$\sin(60) = \frac{ \sqrt{3} }{2} \\ \\ { \sin(60) }^{2} = { \frac{ \sqrt{3} }{2} }^{2} = \frac{3}{4}$

Answer 2

Sin²60°=(√3/2)²=3/4 Вот

Answer 3

The sine of 60 degrees (written as sin 60°) is equal to √3/2.

So, sin²60° = (√3/2)² = (3/4) = 0.75.