单词	arc cosecant
释义	arc cosecant noun : the inverse function to the cosecant if y is the cosecant of θ, then θ is the arc cosecant of y called also inverse cosecant —abbreviation arccsc Word History First Known Use circa 1889, in the meaning defined above
随便看	lbos LBP lbr lbs lc LCD LCDR lcds LCDs lce lce est de LCJ LCL LCM lcms LCpl LCS LCT ld LD50 LDC ldg LDH LDL ldls

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