SSC Delhi Police Head Constable (Ministerial) 2025 Mock Test (New) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
The value of \(\frac{2 \cos 15^{\circ} \sin 15^{\circ}}{\cos ^2 15^{\circ}-\sin ^2 15^{\circ}}\) is:
1
\(\frac{1}{\sqrt{3}}\)
2
\(\sqrt{3}\)
3
\(\frac{\sqrt{5}-1}{\sqrt{5+1}}\)
4
∞