tan19+tan41+根号3tan19tan41=

tan19+tan41+根号3tan19tan41= tan19°+tan41°+（根号3）tan19°tan41°=? 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°+tan101°-根号3*tan19°+tan101° 根号3tan11+根号3tan19+tan11tan19 tan19+tan101-根号3tan19tan101= 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＝ tan19`+tan101`-根号3tan19`tan101` (根号里面就一个3）很急啊 明天要交的． 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 求值：tan19°+tan11°+(√3/3)tan19°tan11°=_____. √3tan11º+√3tan19º+tan11ºtan19º的值是? 求tan19度+tan101度—跟3tan19度tan101度的值. tan19度+tan26+tan19 tan26的值