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☆算术计算1题
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作业:求算式 90+arctan(6.67*1.5)-arctan(44.47*1.5)-arctan(0.5*1.5)-arctan(0.5*1.5) 的值.
题型:数学计算
解:
90+arctan(6.67*1.5)-arctan(44.47*1.5)-arctan(0.5*1.5)-arctan(0.5*1.5)
=90+arctan10.005-arctan(44.47*1.5)-arctan(0.5*1.5)-arctan(0.5*1.5)
=90+arctan10.005-arctan66.705-arctan(0.5*1.5)-arctan(0.5*1.5)
=90+arctan10.005-arctan66.705-arctan0.75-arctan(0.5*1.5)
=90+arctan10.005-arctan66.705-arctan0.75-arctan0.75
=90+1.471177-arctan66.705-arctan0.75-arctan0.75
=90+1.471177-1.555806-arctan0.75-arctan0.75
=90+1.471177-1.555806-0.643501-arctan0.75
=90+1.471177-1.555806-0.643501-0.643501
=91.471177-1.555806-0.643501-0.643501
=89.915371-0.643501-0.643501
=89.27187-0.643501
=88.628369 答案:90+arctan(6.67*1.5)-arctan(44.47*1.5)-arctan(0.5*1.5)-arctan(0.5*1.5)=88.628369 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!