जर 7 - 2 cos2θ - 11 sin θ = 0 आणि (0° ≤ θ ≤ ,90°), तर (sin θ + cos θ) चे मूल्य शोधा

1
(√3 - 1)/2
2
(√3 + 1)/3
3
(√3 - 2)/2
4
(√3 + 1)/2

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