Question
Without using trigonometric table, evaluate:
$
\left(\frac{\sin 49^{\circ}}{\sin 41^{\circ}}\right)^2+\left(\frac{\cos 41^{\circ}}{\sin 49^{\circ}}\right)^2
$
$
\left(\frac{\sin 49^{\circ}}{\sin 41^{\circ}}\right)^2+\left(\frac{\cos 41^{\circ}}{\sin 49^{\circ}}\right)^2
$