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(23.5/6.325)-arctan(23.5/5)-arctan(23.5/16)-arctan(23.5/87.163) 的值.
题型:数学计算
解:
90+arctan(23.5/6.325)-arctan(23.5/5)-arctan(23.5/16)-arctan(23.5/87.163)
=90+arctan3.715415-arctan(23.5/5)-arctan(23.5/16)-arctan(23.5/87.163)
=90+arctan3.715415-arctan4.7-arctan(23.5/16)-arctan(23.5/87.163)
=90+arctan3.715415-arctan4.7-arctan1.46875-arctan(23.5/87.163)
=90+arctan3.715415-arctan4.7-arctan1.46875-arctan0.26961
=90+1.307878-arctan4.7-arctan1.46875-arctan0.26961
=90+1.307878-1.361156-arctan1.46875-arctan0.26961
=90+1.307878-1.361156-0.973038-arctan0.26961
=90+1.307878-1.361156-0.973038-0.263348
=91.307878-1.361156-0.973038-0.263348
=89.946722-0.973038-0.263348
=88.973684-0.263348
=88.710336 答案:90+arctan(23.5/6.325)-arctan(23.5/5)-arctan(23.5/16)-arctan(23.5/87.163)=88.710336 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!