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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(0.25*9.84)-arctan(0.5*9.84)-arctan(0.04*9.84) 的值.
题型:数学计算
解:
90+arctan(0.25*9.84)-arctan(0.5*9.84)-arctan(0.04*9.84)
=90+arctan2.46-arctan(0.5*9.84)-arctan(0.04*9.84)
=90+arctan2.46-arctan4.92-arctan(0.04*9.84)
=90+arctan2.46-arctan4.92-arctan0.3936
=90+1.184696-arctan4.92-arctan0.3936
=90+1.184696-1.370276-arctan0.3936
=90+1.184696-1.370276-0.374977
=91.184696-1.370276-0.374977
=89.81442-0.374977
=89.439443 答案:90+arctan(0.25*9.84)-arctan(0.5*9.84)-arctan(0.04*9.84)=89.439443 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!