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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation arctan10-arctan0.1 .
    Question type: Mathematical calculation
    Solution:
          arctan10-arctan0.1
        =1.471128-arctan0.1
        =1.471128-0.099669
        =1.371459
    Answer:arctan10-arctan0.1=1.371459
    Note: Radian

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