Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    90+arctan(17*0.574)-arctan(2*0.574)-arctan(78*0.574)
    90+arctan(8.8*0.583)-arctan(2*0.583)-arctan(40*0.583)
    317.55/30.77
    30.77/317.55
    1/sqrt(3)
    1/(2*0.43*sqrt(1-0.43^2))
    90-arctan3.74
    90-arctan3.74
    180-90-arctan(2*1.37)
    180-90-arctan(2*1.37)
    180-90-arctan(2.74)
    180-90-arctan(2.74)
    17.16/0.97
    0.97/17.16
    90+arctan(0.97*0.24)-arctan(0.1*0.24)-arctan(0.01*0.24)-arctan(17.16*0.24)
    90-arctan(0.01*30.14)-arctan(0.1*30.14)
    90-arctan(0.01*30.14)-arctan(0.1*30.14)
    180+arctan(11.3-0.442)-90-arctan(0.442)-arctan(0.25*0.442)-arctan(118.3*0.442)
    90-arctan2-arctan(0.25*2)
    90-arctan2.236-arctan(0.25*2.236)

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