Question

please solve no ii and iii ​

Answer 1

Required Answer :

i) cos x° = $\huge \frac{1}{2}$

$\mapsto$ cos x° = cos 60°

$\mapsto$ x° = 60°

ii) cos x° = $= \huge\frac{10}{20}$

$\mapsto$ cos x° =$\huge \frac{1}{2}$