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☆算术计算1题
〖1/1算式〗
作业:求算式 90+arctan(0.05*112)-arctan(0.1*112)-arctan(0.0047*112) 的值.
题型:数学计算
解:
90+arctan(0.05*112)-arctan(0.1*112)-arctan(0.0047*112)
=90+arctan5.6-arctan(0.1*112)-arctan(0.0047*112)
=90+arctan5.6-arctan11.2-arctan(0.0047*112)
=90+arctan5.6-arctan11.2-arctan0.5264
=90+1.394087-arctan11.2-arctan0.5264
=90+1.394087-1.481747-arctan0.5264
=90+1.394087-1.481747-0.484544
=91.394087-1.481747-0.484544
=89.91234-0.484544
=89.427796 答案:90+arctan(0.05*112)-arctan(0.1*112)-arctan(0.0047*112)=89.427796 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!