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〖1/1算式〗
作业:求算式 180-90+arctan(0.234*9.16)-arctan(0.05*9.16)-arctan(0.5*9.16) 的值.
题型:数学计算
解:
180-90+arctan(0.234*9.16)-arctan(0.05*9.16)-arctan(0.5*9.16)
=180-90+arctan2.14344-arctan(0.05*9.16)-arctan(0.5*9.16)
=180-90+arctan2.14344-arctan0.458-arctan(0.5*9.16)
=180-90+arctan2.14344-arctan0.458-arctan4.58
=180-90+1.134273-arctan0.458-arctan4.58
=180-90+1.134273-0.429487-arctan4.58
=180-90+1.134273-0.429487-1.355829
=90+1.134273-0.429487-1.355829
=91.134273-0.429487-1.355829
=90.704786-1.355829
=89.348957 答案:180-90+arctan(0.234*9.16)-arctan(0.05*9.16)-arctan(0.5*9.16)=89.348957 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!