tolong jawb pkai cra ya(:

[tex]\displaystyle \cos 45=\frac{x}{5\sqrt{2}} \\ \\ x=5\sqrt{2}\times\frac{1}{2}\sqrt{2} \\ x=5 \\ \\ \sin 45=\frac{y}{5\sqrt{2}} \\ \\ y=5\sqrt{2}\times\frac{1}{2}\sqrt{2} \\ y=5[/tex]