Question

what is the one cos​

Answer 1

In any right angled triangle, for any angle:

◆The sine of the angle = the length of the opposite side. the length of the hypotenuse.

◆The cosine of the angle = the length of the adjacent side. the length of the hypotenuse.

◆The tangent of the angle = the length of the opposite side. the length of the adjacent side.

Answer 2

HEY MATE HERE IS YOUR ANSWER

$\sin(a) = \frac{angle \: opp. \: to \: a}{hyp.}$

$\cos(a) = \frac{angle \: adj. \: to \: a}{hyp.}$

$\tan(a) = \frac{ \sin(a) }{ \cos(a) }$