(1+根号3tan10°)·cos40°求值
(1+根号3tan10°)·cos40°求值
求值:cos40°(1+3tan10°)
求值{cos40°+sin50°(1+根号3tan10°)}/1+sin50°
cos40°(1+根号3tan10°)=?
2COS40°(1+根号3 *TAN10°)的值...
cos40*[1+(根号3)tan10]
求值:2sin50°+cos10°*(1+根号3tan10°)/cs35°cos40°+cos50°cos55°
求值:sin平方80°/4(cos40°-cos立方40°) ×(1+根号3tan10°)
人心齐泰山移Cos40°(1+根号3·tan10°)=?
求值:cos40°+sin50°(1+3tan10°)sin70°1+sin50°
化简:[sin50°+cos40°(1+根号3tan10°)]/sin²70°
化简求值2sin50°+cos10°(1+3tan10°)cos35°cos40°+cos50°cos55°