arcsins
A large circle marked with degrees, etc., fixed to a wall, for measuring arcs of the meridian.
(slang, sports, particularly bodybuilding) Someone whose muscle gains are natural and not aided by the use of steroids. / (slang, sports) A national championship
plural of arcsin
plural of astrophyllite
数学者は角度を決定するために、3つの異なる比の逆正弦の値を比較した。
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