engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि 0° < θ < 90°, तो \(\sqrt{\frac{\sec^2 \theta + cosec^2 \theta}{\tan^2 \theta - \sin^2 \theta} }\) बराबर है:
1
sec3 θ
2
sec2 θ
3
cosec3 θ
4
sin2 θ