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 90+arctan(13.86*0.76)-arctan(2*0.76)-arctan(126*0.76) 的值.
题型:数学计算
解:
90+arctan(13.86*0.76)-arctan(2*0.76)-arctan(126*0.76)
=90+arctan10.5336-arctan(2*0.76)-arctan(126*0.76)
=90+arctan10.5336-arctan1.52-arctan(126*0.76)
=90+arctan10.5336-arctan1.52-arctan95.76
=90+1.476146-arctan1.52-arctan95.76
=90+1.476146-0.988891-arctan95.76
=90+1.476146-0.988891-1.560354
=91.476146-0.988891-1.560354
=90.487255-1.560354
=88.926901 答案:90+arctan(13.86*0.76)-arctan(2*0.76)-arctan(126*0.76)=88.926901 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!