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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(15*0.313)-arctan(2*0.313)-arctan(166*0.313) 的值.
题型:数学计算
解:
90+arctan(15*0.313)-arctan(2*0.313)-arctan(166*0.313)
=90+arctan4.695-arctan(2*0.313)-arctan(166*0.313)
=90+arctan4.695-arctan0.626-arctan(166*0.313)
=90+arctan4.695-arctan0.626-arctan51.958
=90+1.36094-arctan0.626-arctan51.958
=90+1.36094-0.559318-arctan51.958
=90+1.36094-0.559318-1.551552
=91.36094-0.559318-1.551552
=90.801622-1.551552
=89.25007 答案:90+arctan(15*0.313)-arctan(2*0.313)-arctan(166*0.313)=89.25007 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!