Find cos(a) in the triangle. Choose 1
21
А. 21/29
B. 20/29
C. 20/21
D. 21/20

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

sure i'm up for it

step-by-step explanation:

ιт ιѕ 6 6/23

step-by-step explanation:

нσρє ι ¢συℓ∂ нєℓρ уσυ συт

add them

step-by-step explanation:

idk you did not give the options or numbers so you cant solve it