Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    sec(π╱4)*sec(π╱4)
    sec(π╱4)
    tan(π╱4)
    tanπ╱4
    1*1
    1*1
    1*1
    1*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1
    555*1

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