If $\sin ^2 x+a \sin x+1=0$ has no real number solution, then

JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Analyzing +4 | -1

\sin ^2 x+a \sin x+1=0

has no real number solution, then

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Correct option: C

|a| < 2

Option C (

|a| < 2

) is correct because it is derived from the condition for no real solution of the given equation.

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