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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(7.14*0.26)-arctan(2*0.26)-arctan(29*0.26) 的值.
题型:数学计算
解:
90+arctan(7.14*0.26)-arctan(2*0.26)-arctan(29*0.26)
=90+arctan1.8564-arctan(2*0.26)-arctan(29*0.26)
=90+arctan1.8564-arctan0.52-arctan(29*0.26)
=90+arctan1.8564-arctan0.52-arctan7.54
=90+1.076688-arctan0.52-arctan7.54
=90+1.076688-0.479519-arctan7.54
=90+1.076688-0.479519-1.43894
=91.076688-0.479519-1.43894
=90.597169-1.43894
=89.158229 答案:90+arctan(7.14*0.26)-arctan(2*0.26)-arctan(29*0.26)=89.158229 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!