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(0.23×4.6)-arctan(0.5×4.6)-arctan(0.46)-arctan(0.023×4.6) 的值.
题型:数学计算
解:
90+arctan(0.23×4.6)-arctan(0.5×4.6)-arctan(0.46)-arctan(0.023×4.6)
=90+arctan1.058-arctan(0.5×4.6)-arctan(0.46)-arctan(0.023×4.6)
=90+arctan1.058-arctan2.3-arctan(0.46)-arctan(0.023×4.6)
=90+arctan1.058-arctan2.3-arctan0.46-arctan(0.023×4.6)
=90+arctan1.058-arctan2.3-arctan0.46-arctan0.1058
=90+0.813573-arctan2.3-arctan0.46-arctan0.1058
=90+0.813573-1.160669-arctan0.46-arctan0.1058
=90+0.813573-1.160669-0.431139-arctan0.1058
=90+0.813573-1.160669-0.431139-0.105408
=90.813573-1.160669-0.431139-0.105408
=89.652904-0.431139-0.105408
=89.221765-0.105408
=89.116357 答案:90+arctan(0.23×4.6)-arctan(0.5×4.6)-arctan(0.46)-arctan(0.023×4.6)=89.116357 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!