Answer:
m ∠ C = 12.68°
Step-by-step explanation:
CA = 41 is the hypotenuse of the right triangle.
BC = 40 is adjacent to angle C.
Cos C = adjacent/hypotenuse
Cos ∠C = 40/41
[tex]cos^{-1}[/tex](40/41) = 12.68°
Check
cos (12.68) = x/41
)cos 12.68) x 41 = 40 check
