If sinα, sin β and cosα are in G.P. then roots of the equation x 2 + 2x cot β + 1 = 0 are…
Mathematics · JEE Advanced · NTA Exams — Trigonometry
If sinα, sin β and cosα are in G.P. then roots of the equation x2 + 2x cot β + 1 = 0 are always
- equal
- real
- imaginary
- greater than 1
Answer
(B) real
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