Question

Calculate cos θ.

Answer 1

\[\tan \left( \Theta \right)=\frac{ 7 }{ 6 }\]
therefore, \[\Theta=\arctan(7/6)\]\[\approx50^{0}\]

Answer 2

\[\huge \cos \theta=\frac{ 6 }{ \sqrt{85} }\]

Answer 3

simplify it further to get the answer!!