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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 180+arctan4-90-arctan20-arctan0.2 .
    Question type: Mathematical calculation
    Solution:
          180+arctan4-90-arctan20-arctan0.2
        =180+1.325818-90-arctan20-arctan0.2
        =180+1.325818-90-1.520838-arctan0.2
        =180+1.325818-90-1.520838-0.197396
        =181.325818-90-1.520838-0.197396
        =91.325818-1.520838-0.197396
        =89.80498-0.197396
        =89.607584

    Answer:180+arctan4-90-arctan20-arctan0.2=89.607584
    Note: Radian


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