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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 arctan3-arctan(1/3)-arctan(15/90) .
    Question type: Mathematical calculation
    Solution:
          arctan3-arctan(1/3)-arctan(15/90)
        =arctan3-arctan0.333333-arctan(15/90)
        =arctan3-arctan0.333333-arctan0.166667
        =1.249046-arctan0.333333-arctan0.166667
        =1.249046-0.32175-arctan0.166667
        =1.249046-0.32175-0.165149
        =0.927296-0.165149
        =0.762147

    Answer:arctan3-arctan(1/3)-arctan(15/90)=0.762147
    Note: Radian


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