railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
sin 15° ನ ಮೌಲ್ಯವೇನು?
1
\(\frac{1}{{\sqrt 2 }}\)
2
\(\frac{{\sqrt 3 - 1}}{{2\sqrt 2 }}\)
3
\(\frac{{\sqrt 3 + 1}}{{2\sqrt 2 }}\)
4
\(\frac{{\sqrt 3 - 1}}{{\sqrt 3+1 }}\)