engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি sin θ + cosec θ = 5/2, যেখানে 0 ≤ θ ≤ 90° হয়, তাহলে sin2 θ এর মান কত হবে?
1
2
2
\(\frac{1}{4}\)
3
0
4
-2