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☆算术计算1题
〖1/1算式〗
作业:求算式 arctan(0.034*66.5)-90-arctan(0.0068*66.5)-arctan(0.1*66.5) 的值.
题型:数学计算
解:
arctan(0.034*66.5)-90-arctan(0.0068*66.5)-arctan(0.1*66.5)
=arctan2.261-90-arctan(0.0068*66.5)-arctan(0.1*66.5)
=arctan2.261-90-arctan0.4522-arctan(0.1*66.5)
=arctan2.261-90-arctan0.4522-arctan6.65
=1.154379-90-arctan0.4522-arctan6.65
=1.154379-90-0.424682-arctan6.65
=1.154379-90-0.424682-1.421539
=-88.845621-0.424682-1.421539
=-89.270303-1.421539
=-90.691842 答案:arctan(0.034*66.5)-90-arctan(0.0068*66.5)-arctan(0.1*66.5)=-90.691842 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!