| 单词 | cofunction |
| 释义 | cofunction in British English (ˌkəʊˈfʌŋkʃən) noun 1. a joint function 2. mathematics the trigonometric function of the complement of a given angle cofunction in American English (ˈkouˌfʌŋkʃən) noun (in trigonometry) the function of the complement of a given angle or arc cosθ is the cofunction of sinθ Word origin [1905–10; co- + function]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: aspect ratio, revolving door, scrounge, thiamine, white listco- is a prefix meaning “with,” “together,” “in association,” sometimes with the derivedsense “auxiliary, subsidiary” (coenzyme; copilot), and, in mathematics and astronomy, with the sense “complement” (codeclination) |
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