GivenRecall: SOHCAHTOASolution[tex]\begin{gathered} cos\text{ C=}\frac{5}{5\sqrt{2}} \\ cancel\text{ the common factor 5} \\ cos\text{ C=}\frac{1}{\sqrt{2}} \end{gathered}[/tex]
Rationalize
[tex]\begin{gathered} \frac{1}{\sqrt{2}}\times\frac{\sqrt{2}}{\sqrt{2}}=\frac{\sqrt{2}}{2} \\ \end{gathered}[/tex]The final answerOption B[tex]\frac{\sqrt{2}}{2}[/tex]
