The sides of triangle are sin α, cos α and 1+ for some 0< < 2 . Then the greatest angle…
Mathematics · JEE Main · NTA Exams — Trigonometry
The sides of triangle are sin α, cos α and \(\sqrt{1+\sin \alpha \cos \alpha}\) for some \(0<\alpha<\frac{\pi}{2} .\)Then the greatest angle of the triangle is
- 120°
- 90°
- 60°
- 150°
Answer
(A) 120°
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