What is the sine of the complement of an arc or angle. See Illust. of Functions called?
cosine — The sine of the complement of an arc or angle. See Illust. of Functions. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00