trig
91arc cotangent — Trig. the angle, measured in radians, that has a cotangent equal to a given number. Abbr.: arc cot Symbol: cot 1 Also called inverse cotangent. [1905 10] * * * …
92arc secant — Trig. the angle, measured in radians, that has a secant equal to a given number. Abbr.: arc sec; Symbol: sec 1 Also called inverse secant. [1905 10] * * * …
93arc sine — Trig. 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] * * * …
94arc tangent — Trig. the angle, measured in radians, that has a tangent equal to a given number. Abbr.: arc tan; Symbol: tan 1 Also called inverse tangent. [1905 10] * * * …
95csc — Trig. cosecant. * * * …
96ctn — Trig. cotangent. * * * …
97inverse cosecant — Trig. See arc cosecant. [1905 10] * * * …
98inverse cosine — Trig. See arc cosine. [1905 10] * * * …
99inverse cotangent — Trig. See arc cotangent. [1905 10] * * * …
100inverse secant — Trig. See arc secant. * * * …
