Noun

• S: (n) tangent (a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point)
• S: (n) tangent, tan (ratio of the opposite to the adjacent side of a right-angled triangle)
• direct hypernym / inherited hypernym / sister term
• S: (n) trigonometric function, circular function (function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle)
• S: (n) sine, sin (ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle)
• S: (n) arc sine, arcsine, arcsin, inverse sine (the inverse function of the sine; the angle that has a sine equal to a given number)
• S: (n) cosine, cos (ratio of the adjacent side to the hypotenuse of a right-angled triangle)
• S: (n) arc cosine, arccosine, arccos, inverse cosine (the inverse function of the cosine; the angle that has a cosine equal to a given number)
• S: (n) tangent, tan (ratio of the opposite to the adjacent side of a right-angled triangle)
• S: (n) arc tangent, arctangent, arctan, inverse tangent (the inverse function of the tangent; the angle that has a tangent equal to a given number)
• S: (n) cotangent, cotan (ratio of the adjacent to the opposite side of a right-angled triangle)
• S: (n) arc cotangent, arccotangent, inverse cotangent (the inverse function of the cotangent; the angle that has a cotangent equal to a given number)
• S: (n) secant, sec (ratio of the hypotenuse to the adjacent side of a right-angled triangle)
• S: (n) arc secant, arcsecant, arcsec, inverse secant (the inverse function of the secant; the angle that has a secant equal to a given number)
• S: (n) cosecant, cosec (ratio of the hypotenuse to the opposite side of a right-angled triangle)
• S: (n) arc cosecant, arccosecant, inverse cosecant (the angle that has a cosecant equal to a given number)
• derivationally related form