[tex]\bold{\frac{5}{13} or 0.38}[/tex]
Answer:
Solution given:
here
by using Pythagoras law
hypotenuse =
[tex]\displaystyle\sqrt{adjacent ²+opposite ²}\\=\sqrt{15²+36²}=39[/tex]
Cos C=[tex]\frac{adjacent} {hypotenuse}=\frac{15}{39}=\frac{5}{13} or{0.38}[/tex]
