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〖1/1算式〗
作业:求算式 180-90+arctan(1.5/0.1875)-arctan(1.5/0.028)-2*arctan(1.5/12) 的值.
题型:数学计算
解:
180-90+arctan(1.5/0.1875)-arctan(1.5/0.028)-2*arctan(1.5/12)
=180-90+arctan8-arctan(1.5/0.028)-2*arctan(1.5/12)
=180-90+arctan8-arctan53.571429-2*arctan(1.5/12)
=180-90+arctan8-arctan53.571429-2*arctan0.125
=180-90+1.446441-arctan53.571429-2*arctan0.125
=180-90+1.446441-1.552132-2*arctan0.125
=180-90+1.446441-1.552132-2*0.124355
=180-90+1.446441-1.552132-0.24871
=90+1.446441-1.552132-0.24871
=91.446441-1.552132-0.24871
=89.894309-0.24871
=89.645599 答案:180-90+arctan(1.5/0.1875)-arctan(1.5/0.028)-2*arctan(1.5/12)=89.645599 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!