If sin α, sin β and cosαare in GP, then roots of the equation x2 + – InterviewSolution

1.	If sin α, sin β and cosαare in GP, then roots of the equation x2 + 2xcotβ+1 = 0 are always
Answer» If sin $α$ , sin $β$ and cosαare in GP, then roots of the equation $x^{2}$ + 2xcot $β$ +1 = 0 are always

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