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Mathematical calculation:
    Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
    It supports mathematical functions (including trigonometric functions).
    Current location:Mathematical operation > History of Mathematical Computation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation -arctan(-1)-arctan(-5)+90 .
    Question type: Mathematical calculation
    Solution:
          -arctan(-1)-arctan(-5)+90
        =-arctan(-1)-arctan(-5)+90
        =-arctan-1-arctan(-5)+90
        =--0.785398-arctan-5+90
        =--0.785398--1.373401+90
        =1.373401+90
        =91.373401

    Answer:-arctan(-1)-arctan(-5)+90=91.373401
    Note: Radian


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