-90-2*arctan(314.320444/25)-arctan(314.320444)+arctan(314.320444/2)_ Mathematical calculation

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    Overview: 1 questions will be solved this time.Among them
           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation -90-2*arctan(314.320444/25)-arctan(314.320444)+arctan(314.320444/2) .
    Question type: Mathematical calculation
    Solution:
          -90-2*arctan(314.320444/25)-arctan(314.320444)+arctan(314.320444/2)
        =-90-2*arctan12.572818-arctan(314.320444)+arctan(314.320444/2)
        =-90-2*arctan12.572818-arctan314.320444+arctan(314.320444/2)
        =-90-2*arctan12.572818-arctan314.320444+arctan157.160222
        =-90-2*1.491427-arctan314.320444+arctan157.160222
        =-90-2*1.491427-1.567615+arctan157.160222
        =-90-2*1.491427-1.567615+1.564433
        =-90-2.982854-1.567615+1.564433
        =-92.982854-1.567615+1.564433
        =-94.550469+1.564433
        =-92.986036
    Answer:-90-2*arctan(314.320444/25)-arctan(314.320444)+arctan(314.320444/2)=-92.986036
    Note: Radian

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