Mathematics
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    360/75=
    arctan0.25
    arctan10
    arctan5
    arctan5
    arctan0.1
    arctan0.1
    arctan0.01
    arctan-0.9
    arctan-0.9
    arctan-0.57
    arctan1.75
    arctan0.1866666667
    arctan0.56
    arctan(0.46/15)
    arctan(0.46/5)
    arctan(0.46/5)
    arctan(0.46/5)
    arctan(2.5/1.5)
    arctan(1.5)

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