2sin50°+cos10°(1+3tan10°)1+cos10°
2sin50°+cos10°(1+3tan10°)1+cos10°
化简(tan10°-根号3)*(cos10°/sin50°)*(2cos10°-sin20°/cos20°)
求值:2sin50°+sin80°(1+3tan10°)1+cos10°
化简:(tan10°−3)•cos10°sin50°
化简:cos10°(tan10°-根号3)/sin50°
求值:(tan10°-根号3)cos10°÷sin50°
求值:(tan10°-√3)×cos10°/sin50°
(tan10°–√3)cos10°/sin50°
求值:2sin50°+cos10°*(1+根号3tan10°)/cs35°cos40°+cos50°cos55°
化简求值2sin50°+cos10°(1+3tan10°)cos35°cos40°+cos50°cos55°
1,{2sin50+cos10(1+√3tan10)}/√(1+cos10)=?
三角函数化简题1、sin40°(tan10°-√3)2、tan70°cos10°(√3*tan20°-1)3、sin50