求值(1+根3tan10°)cos40°
求值:cos40°(1+3tan10°)
(1+根号3tan10°)·cos40°求值
求值:cos40°+sin50°(1+3tan10°)sin70°1+sin50°
求值{cos40°+sin50°(1+根号3tan10°)}/1+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°
求值:sin平方80°/4(cos40°-cos立方40°) ×(1+根号3tan10°)
求值4(cos40°-cos³40°)分之sin²80°乘以(1+√3tan10°)
cos40°(1+根号3tan10°)=?
2COS40°(1+根号3 *TAN10°)的值...
[cos40°+sin50°(1+√3tan10°)]/[sin70°√(1+cos40°)]=
(cos40°+sin50°(1+√3tan10°))/sin70°√(1+cos40°)