railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
sin 75° இன் மதிப்பைக் கண்டுபிடி.
1
\(\frac{\sqrt{3~}+~1}{2}\)
2
\(\frac{\sqrt{6}~+~\sqrt{2}}{4}\)
3
\(\frac{\sqrt{6~}~-~\sqrt{2}}{4}\)
4
\(\frac{\sqrt{3}~-~1}{2\sqrt{2}}\)