Question

Please help very confusing

Answer 1

cosine ratio of Z = cos Z.

cos Z = adjacent side of angle Z (base) / Hypotenuse

cos Z = 12/20 = 6/10 = 3/5.

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Hope it helps!

RainbowSalt2222 ☔

Answer 2

`▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪`

Here,

• 
  `\cos(Z) = (side \: \: adjacent \: \: to \: \:Z )/(hypotenuse)`

that is ~

• 
  `\cos(Z) = (12)/(20)`