railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\(\frac{{sin\theta [\left( {1 - tan\theta } \right)tan\theta + {{\sec }^2}\theta ]}}{{\left( {1 - \sin \theta } \right)\tan \theta \left( {1 + tan\theta } \right)\left( {sec\theta + tan\theta } \right)}}\) એ બરાબર છે:
1
sinθ cosθ
2
-1
3
cosecθ secθ
4
1