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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(-66/63)-arctan(-66/113) .
    Question type: Mathematical calculation
    Solution:
          -arctan(-66/63)-arctan(-66/113)
        =-arctan(-1.047619)-arctan(-66/113)
        =-arctan-1.047619-arctan(-0.584071)
        =--0.80865-arctan-0.584071
        =--0.80865--0.528625
        =0.528625

    Answer:-arctan(-66/63)-arctan(-66/113)=0.528625
    Note: Radian


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