If $\sec 3A= cos (A-26^{\circ})$ where $3A$ is an angle, then the value of A is ________

Question

$\begin{array}{1 1}(A) \; 29^{\circ} \\(B)\; 30^{\circ} \\(C)\;45^{\circ} \\(D)\;64^{\circ} \end{array}$