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(27/7.217)-arctan(27/101)-arctan(27/5)-arctan(27/16) 的值.
题型:数学计算
解:
90+arctan(27/7.217)-arctan(27/101)-arctan(27/5)-arctan(27/16)
=90+arctan3.741167-arctan(27/101)-arctan(27/5)-arctan(27/16)
=90+arctan3.741167-arctan0.267327-arctan(27/5)-arctan(27/16)
=90+arctan3.741167-arctan0.267327-arctan5.4-arctan(27/16)
=90+arctan3.741167-arctan0.267327-arctan5.4-arctan1.6875
=90+1.309606-arctan0.267327-arctan5.4-arctan1.6875
=90+1.309606-0.261219-arctan5.4-arctan1.6875
=90+1.309606-0.261219-1.387686-arctan1.6875
=90+1.309606-0.261219-1.387686-1.035841
=91.309606-0.261219-1.387686-1.035841
=91.048387-1.387686-1.035841
=89.660701-1.035841
=88.62486 答案:90+arctan(27/7.217)-arctan(27/101)-arctan(27/5)-arctan(27/16)=88.62486 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!