总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 -90-arctan(0.1*200)-arctan(0.01*200)-arctan(200/0.375)-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61) 的值.
    题型：数学计算
    解:
          -90-arctan(0.1*200)-arctan(0.01*200)-arctan(200/0.375)-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61)
        =-90-arctan20-arctan(0.01*200)-arctan(200/0.375)-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61)
        =-90-arctan20-arctan2-arctan(200/0.375)-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61)
        =-90-arctan20-arctan2-arctan533.333333-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61)
        =-90-arctan20-arctan2-arctan533.333333-arctan2.357101+arctan(200/3)+arctan(200/10.61)
        =-90-arctan20-arctan2-arctan533.333333-arctan2.357101+arctan66.666667+arctan(200/10.61)
        =-90-arctan20-arctan2-arctan533.333333-arctan2.357101+arctan66.666667+arctan18.850141
        =-90-1.520838-arctan2-arctan533.333333-arctan2.357101+arctan66.666667+arctan18.850141
        =-90-1.520838-1.107149-arctan533.333333-arctan2.357101+arctan66.666667+arctan18.850141
        =-90-1.520838-1.107149-1.568921-arctan2.357101+arctan66.666667+arctan18.850141
        =-90-1.520838-1.107149-1.568921-1.169561+arctan66.666667+arctan18.850141
        =-90-1.520838-1.107149-1.568921-1.169561+1.555797+arctan18.850141
        =-90-1.520838-1.107149-1.568921-1.169561+1.555797+1.517796
        =-91.520838-1.107149-1.568921-1.169561+1.555797+1.517796
        =-92.627987-1.568921-1.169561+1.555797+1.517796
        =-94.196908-1.169561+1.555797+1.517796
        =-95.366469+1.555797+1.517796
        =-93.810672+1.517796
        =-92.292876
    答案:-90-arctan(0.1*200)-arctan(0.01*200)-arctan(200/0.375)-arctan(200/84.85)+arctan(200/3)+arctan(200/10.61)=-92.292876
    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！