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Definition of Trigonometric cofunction
1. Noun. (mathematics) Any of a pair of trigonometric functions that have equal values when their arguments are complementary angles e.g. sine and cosine ¹
¹ Source: wiktionary.com
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1. Noun. (mathematics) Any of a pair of trigonometric functions that have equal values when their arguments are complementary angles e.g. sine and cosine ¹
¹ Source: wiktionary.com