tan19+tan41+√3tan19tan41求值
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tan19+tan41+√3tan19tan41求值tan19+tan41+√3tan19tan41求值tan19+tan41+√3tan19tan41求值tan19+tan41+√3tan19tan
tan19+tan41+√3tan19tan41求值
tan19+tan41+√3tan19tan41
求值
tan19+tan41+√3tan19tan41求值
tan19+tan41+√3tan19tan41
=tan19+tan41+√3*[1-(tan19+tan41)/tan(19+41)]
=tan19+tan41+√3*[1-(tan19+tan41)/tan60]
=tan19+tan41+√3*[1-(tan19+tan41)/√3]
=tan19+tan41+√3*1-(tan19+tan41)
=√3
0.36
tan19+tan41+√3tan19tan41求值
tan19度+tan41度+√3tan19度tan41度=多少
tan19°+tan41°+√3tan19°tan41°的值为?
tan19º+tan41º+√3tan19ºtan41º=?
tan19+tan41+根号3tan19tan41=
tan19°+tan41°+(根号3)tan19°tan41°=?
√3(tan41度-tan11度)-tan41度tan11度=?
√3tan11º+√3tan19º+tan11ºtan19º的值是?
求值:tan19°+tan11°+(√3/3)tan19°tan11°=_____.
tan19°+tan101°-根号3*tan19°+tan101°
根号3(tan41度-tan11度)-tan41度tan11度
cos(π+a)=三分一,πsin14°cos16°+sin76°cos74°的值tan19°+tan41°+根号三tan19°tan41°f(x)=cosπx,x1则f(三分一)+f(三分四)的值
根号3tan11+根号3tan19+tan11tan19
tan19+tan101-根号3tan19tan101=
求tan19度+tan101度—跟3tan19度tan101度的值.
根号3 tan11+根号3tan19+tan11tan19
三角函数求值根号3*sin(-1200)*tan19/6*π-cos585
根号3倍tan11度+根号3倍tan19度+tan11度乘tan19度=