hat
Se konsa kosinis ang sa - a kote adjasan ang sa a se 4, poutèt Se konsa a adjasan sou hypotenuse a, a adjasan, ki se 4, an sou hypotenuse a, 4 sou 5.
eng
So cosine of this angle - so the adjacent side of this angle is 4, so the adjacent over the hypotenuse, the adjacent, which is 4, over the hypotenuse, 4 over 5.