railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Circular Measure of Angles
ମୂଲ୍ୟ ଖୋଜ:
cos1° cos2° . . . cos45° cosec46° . . . cosec88° cosec89°.
1
1/2
2
1 / √2
3
√2
4
1
ମୂଲ୍ୟ ଖୋଜ:
cos1° cos2° . . . cos45° cosec46° . . . cosec88° cosec89°.