Question

Cos (x-smiddle" class="latex-formula">)=$\frac{\sqrt{2} }{2}$

Answer 1

Answer:

Solution given;

Cos (x-$\frac{5}{6}$)=$\frac{\sqrt{2} }{2}$

Cos (x-$\frac{5}{6}$)=Cos45°

equating corresponding value

(x-$\frac{5}{6}$)=45°

x=45°+5/6

x=45.83°