化简:(tan10°−3)•cos10°sin50°
化简:(tan10°−3)•cos10°sin50°
化简:cos10°(tan10°-根号3)/sin50°
化简(tan10°-根号3)*(cos10°/sin50°)*(2cos10°-sin20°/cos20°)
求值:(tan10°-根号3)cos10°÷sin50°
求值:(tan10°-√3)×cos10°/sin50°
(tan10°–√3)cos10°/sin50°
化简(tan10°—根号3)乘以cos10°/sin50°
2sin50°+cos10°(1+3tan10°)1+cos10°
化简:(tan10'-^3)cos10'/sin50'
求值:2sin50°+sin80°(1+3tan10°)1+cos10°
求(tan10°-根号3)*cos10°/sin50°的值
(tan10°-根号3)×cos10°÷sin50°