单词 | coversed sine |
释义 | Word Frequency coversed sine obsolete function in trigonometry Word Frequency coversed sine(ˈkəʊvɜːst) or coversine (ˈkəʊvɜːˌsaɪn) noun obsolete a trigonometric function equal to one minus the sine of the specified angle Abbreviation: covers |
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