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单词
arc sine
释义
WordReference Random House Unabridged Dictionary of American English © 2024
arc
′
sine
′
,
[
Trig.
]
Mathematics
the angle, measured in radians, that has a sine equal to a given number.
Abbr.:
arc sin;
Symbol:
sin
-1
Also called
inverse sine.
1905–10
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更新时间:2025/7/23 17:44:08