Question

trigonometri formula of cos A​

Answer 1

In ΔABC

cosA = length of Adjacent side to angle A/ length of hypo

Hope It Helps !!!

Answer 2

Answer:

cos A = adjacent side / hypotenuse

cos A = sin [90 - A]

cos A = $\sqrt{1-sin A}$

hope it helps u

MARK AS BRAAINLIEST