90-arctan(0.1*8.02)-arctan(0.2*8.02)-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)_ Mathematical calculation

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[1/1 Formula]
    Work: Calculate the value of equation 90-arctan(0.1*8.02)-arctan(0.2*8.02)-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02) .
    Question type: Mathematical calculation
    Solution:
          90-arctan(0.1*8.02)-arctan(0.2*8.02)-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)
        =90-arctan0.802-arctan(0.2*8.02)-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)
        =90-arctan0.802-arctan1.604-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)
        =90-arctan0.802-arctan1.604-arctan0.467566-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)
        =90-arctan0.802-arctan1.604-arctan0.467566-arctan50.125+arctan(1.25*8.02)+arctan(0.2681*8.02)
        =90-arctan0.802-arctan1.604-arctan0.467566-arctan50.125+arctan10.025+arctan(0.2681*8.02)
        =90-arctan0.802-arctan1.604-arctan0.467566-arctan50.125+arctan10.025+arctan2.150162
        =90-0.675959-arctan1.604-arctan0.467566-arctan50.125+arctan10.025+arctan2.150162
        =90-0.675959-1.013319-arctan0.467566-arctan50.125+arctan10.025+arctan2.150162
        =90-0.675959-1.013319-0.437365-arctan50.125+arctan10.025+arctan2.150162
        =90-0.675959-1.013319-0.437365-1.550849+arctan10.025+arctan2.150162
        =90-0.675959-1.013319-0.437365-1.550849+1.471375+arctan2.150162
        =90-0.675959-1.013319-0.437365-1.550849+1.471375+1.135472
        =89.324041-1.013319-0.437365-1.550849+1.471375+1.135472
        =88.310722-0.437365-1.550849+1.471375+1.135472
        =87.873357-1.550849+1.471375+1.135472
        =86.322508+1.471375+1.135472
        =87.793883+1.135472
        =88.929355
    Answer:90-arctan(0.1*8.02)-arctan(0.2*8.02)-arctan(0.0583*8.02)-arctan(6.25*8.02)+arctan(1.25*8.02)+arctan(0.2681*8.02)=88.929355
    Note: Radian

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