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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(8.8*0.583)-arctan(2*0.583)-arctan(40*0.583) 的值.
题型:数学计算
解:
90+arctan(8.8*0.583)-arctan(2*0.583)-arctan(40*0.583)
=90+arctan5.1304-arctan(2*0.583)-arctan(40*0.583)
=90+arctan5.1304-arctan1.166-arctan(40*0.583)
=90+arctan5.1304-arctan1.166-arctan23.32
=90+1.378293-arctan1.166-arctan23.32
=90+1.378293-0.861888-arctan23.32
=90+1.378293-0.861888-1.527941
=91.378293-0.861888-1.527941
=90.516405-1.527941
=88.988464 答案:90+arctan(8.8*0.583)-arctan(2*0.583)-arctan(40*0.583)=88.988464 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!