engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin θ + cosec θ = 5/2, where 0 ≤ θ ≤ 90°, then what is the value of sin2 θ
1
2
2
\(\frac{1}{4}\)
3
0
4
-2