(1/sin10度)—(根号3/sin80度)=
(1/sin10度)—(根号3/sin80度)=
1/sin10度 - 3的根号/sin80度=?
求【2sin50度+sin10度(1+根号3tan10度)】sin80度的值
求(1/sin10度)-(根号3/sin80度)的值
[2sin50°+sin10°(1+√3tan10°)]*√2(sin80°)*(sin80度)
不查表,计算1/sin10°-(根号3)/sin80°=
1/sin10°-根号3/sin80°=
1/sin10°-根号3/sin80°
化简【2sin50°+sin10°(1+根号3tan10°)】乘根号下2(sin80°的平方)
求值:1/sin10°-根号3/sin80°
[2sin50+sin10(1+根号3tan10)]sin80
1/sin10°-根号3/sin80°的值为