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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 90+arctan(66.6*1.2)-arctan(888*1.2)-arctan(0.5*1.2) .
    Question type: Mathematical calculation
    Solution:
          90+arctan(66.6*1.2)-arctan(888*1.2)-arctan(0.5*1.2)
        =90+arctan79.92-arctan(888*1.2)-arctan(0.5*1.2)
        =90+arctan79.92-arctan1065.6-arctan(0.5*1.2)
        =90+arctan79.92-arctan1065.6-arctan0.6
        =90+1.558284-arctan1065.6-arctan0.6
        =90+1.558284-1.569858-arctan0.6
        =90+1.558284-1.569858-0.54042
        =91.558284-1.569858-0.54042
        =89.988426-0.54042
        =89.448006

    Answer:90+arctan(66.6*1.2)-arctan(888*1.2)-arctan(0.5*1.2)=89.448006
    Note: Radian


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