总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 -arctan(0.6/2.77)-arctan(0.6/4.77)-arctan(0.6/(-1.23)) 的值.
题型:数学计算
解:
-arctan(0.6/2.77)-arctan(0.6/4.77)-arctan(0.6/(-1.23))
=-arctan0.216606-arctan(0.6/4.77)-arctan(0.6/(-1.23))
=-arctan0.216606-arctan0.125786-arctan(0.6/(-1.23))
=-arctan0.216606-arctan0.125786-arctan(0.6/(-1.23))
=-arctan0.216606-arctan0.125786-arctan(-0.487805)
=-0.213311-arctan0.125786-arctan-0.487805
=-0.213311-0.125129-arctan-0.487805
=-0.213311-0.125129--0.453844
=-0.33844-(-0.453844)
=0.115404 答案:-arctan(0.6/2.77)-arctan(0.6/4.77)-arctan(0.6/(-1.23))=0.115404 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!