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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(0.05*125)-arctan(0.1*125)-arctan(0.0047*125) 的值.
题型:数学计算
解:
90+arctan(0.05*125)-arctan(0.1*125)-arctan(0.0047*125)
=90+arctan6.25-arctan(0.1*125)-arctan(0.0047*125)
=90+arctan6.25-arctan12.5-arctan(0.0047*125)
=90+arctan6.25-arctan12.5-arctan0.5875
=90+1.412141-arctan12.5-arctan0.5875
=90+1.412141-1.490966-arctan0.5875
=90+1.412141-1.490966-0.531178
=91.412141-1.490966-0.531178
=89.921175-0.531178
=89.389997 答案:90+arctan(0.05*125)-arctan(0.1*125)-arctan(0.0047*125)=89.389997 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!