In right-angled triangle, the difference between the two acute angles is $(\large\frac{\pi}{15})^c$.Find the angles in degrees

Question

$\begin{array}{1 1}(A)\;51^{\large\circ},\;39^{\large\circ},\;90^{\large\circ}\\(B)\;50^{\large\circ},\;40^{\large\circ},\;95^{\large\circ}\\(C)\;60^{\large\circ},\;40^{\large\circ},\;70^{\large\circ}\\(D)\;80^{\large\circ},\;50^{\large\circ},\;90^{\large\circ}\end{array}$