求值:2sin50°+sin80°(1+3tan10°)1+cos10°
求值:2sin50°+sin80°(1+3tan10°)1+cos10°
求值:[2sin50°+sin10°(1+√3tan10°)]×√2sin80°
求值:[2sin50°+sin80°(1+√3tan10°)]/√2cos5°
求值[2sin50°+sin10°(1+√3tan10°)]*√2(sin80°)*(sin80°)
求值:(tan10°-根号3)cos10°÷sin50°
求值:(tan10°-√3)×cos10°/sin50°
2sin50°+cos10°(1+3tan10°)1+cos10°
求值:2sin50°+cos10°*(1+根号3tan10°)/cs35°cos40°+cos50°cos55°
化简求值2sin50°+cos10°(1+3tan10°)cos35°cos40°+cos50°cos55°
[2sin50°+sin10°(1+√3tan10°)]*√2(sin80°)*(sin80度)
求[2sin50°+sin10°(1+√3tan10°0]sin80°的值
化简【2sin50°+sin80°(1+√3tan10°)】/cos5°