state gov Haryana Police Constable Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি 3(sec 2 θ + tan 2 θ) = 5, 0° < θ < 90°, তাহলে cosec θ এর মান হল:
1
\(\dfrac{1}{2}\)
2
\(\dfrac{1}{\sqrt3}\)
3
2
4
\(\dfrac{2\sqrt3}{3}\)