[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
[tex] \textbf{Since it's a right angled Triangle we can } \\ \textbf{ use Pythagoras theorem } [/tex]
[ [tex] \textsf{Cos(29°)= 0.875} [/tex] ]
[tex] \textsf{I hope you understood the procedure} [/tex]