Question
Prove that:
$\frac{\cos A}{\sin \left(90^{\circ}-A\right)}+\frac{\sin A}{\cos \left(90^{\circ}-A\right)}=2$.
$\frac{\cos A}{\sin \left(90^{\circ}-A\right)}+\frac{\sin A}{\cos \left(90^{\circ}-A\right)}=2$.
✓
Answer
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