求值:(tan10°-3
求值:cos40°(1+3tan10°)
求值:(tan10°-根号3)cos10°÷sin50°
求值:(tan10°-√3)×cos10°/sin50°
(1+根号3tan10°)·cos40°求值
sin50°(1+根号3tan10°)求值、
求值:cos40°+sin50°(1+3tan10°)sin70°1+sin50°
求值:2sin50°+sin80°(1+3tan10°)1+cos10°
求值{cos40°+sin50°(1+根号3tan10°)}/1+sin50°
求值:[2sin50°+sin10°(1+√3tan10°)]×√2sin80°
求值:[2sin50°+sin80°(1+√3tan10°)]/√2cos5°
求值sin50°(1+根号3tan10°)(过程)
化简(tan10°-3