The equation e sinx – e –sinx– 4 = 0 has :

Question:

The equation $e^{\sin x}-e^{-\sin x}-4=0$ has :

  1. infinite number of real roots

  2. no real roots

  3. exactly one real root

  4. exactly four real roots

Correct Option: 2

JEE Main Previous Year 1 Question of JEE Main from Mathematics Trigonometry chapter.
JEE Main Previous Year 2012

Solution:

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