JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Analyzing +4 | -1

The equation

\tan ^4 x-2 \sec ^2 x+a^2=0

will have atleast one solution, if

View answer and explanation

Correct option: C

|a| \leq \sqrt{3}

Option C (

|a| \leq \sqrt{3}

) is correct because the equation has at least one solution when the discriminant of the transformed equation is non-negative.

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