Trig ratio (7)
'trig ratio' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for cosine that I've seen before include "Ratio in trigonometry" , "Trig function" , "Trig ratio" , "Trigonometric function" , "Trigonometrical ratio" .)
'trig ratio' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for tangent that I've seen before include "Trig ratio" , "What people often go off at!" , "Line that touches curve without crossing it" , "Line grazing another" , "Straight line just touching a curve" .)
'trig ratio' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sine that I've seen before include "Indispensable condition" , "Opposite/hypoteneuse" , "Indefinitely, with no appointed date - . . . . die" , "Trig function" , "Trigonometric function" .)