railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
What is the simplified value of
Sin219° + (cos319°/sin 71°) + sin260 + sin71° - (1/cosec 71°) + sin4 45° is:1
4
2
3
3
2
4
1