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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(0.25*9.72)-arctan(0.5*9.72)-arctan(0.04*9.72) 的值.
题型:数学计算
解:
90+arctan(0.25*9.72)-arctan(0.5*9.72)-arctan(0.04*9.72)
=90+arctan2.43-arctan(0.5*9.72)-arctan(0.04*9.72)
=90+arctan2.43-arctan4.86-arctan(0.04*9.72)
=90+arctan2.43-arctan4.86-arctan0.3888
=90+1.180396-arctan4.86-arctan0.3888
=90+1.180396-1.367867-arctan0.3888
=90+1.180396-1.367867-0.370814
=91.180396-1.367867-0.370814
=89.812529-0.370814
=89.441715 答案:90+arctan(0.25*9.72)-arctan(0.5*9.72)-arctan(0.04*9.72)=89.441715 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!