railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If 7 – 2 cos2θ – 11 sin θ = 0 and (0° ≤ θ ≤ ,90°), then find the value of (sin θ + cos θ)
1
(√3 – 1)/2
2
(√3 + 1)/3
3
(√3 – 2)/2
4
(√3 + 1)/2