The mean position and one extreme position of the two different waves represented by $x=23 \sin(2t)$ and $x=5+23 \sin(2t)$ respectively are:

Question

$\begin{array}{1 1}(a)\;46,0,28,-22 \\(b)\;0,-23,5,-18 \\( c)\; 23,0,28,46 \\(d)\;0,23,5,-18 \end{array}$