The number of real solutions of the equation \(e^{\sin x}-e^{-\sin x}-4=0\) divides which of the following options?

- (A) 4
- (B) 6
- (C) 10
- (D) 12

Enter your answer as a 4 digit string of 1s and 9s - 1 for correct option, 9 for wrong. Eg. 1199 indicates A and B are correct, C and D are incorrect. None, one or all may also be correct.

In case you are preparing for IIT JEE, you may want to try IIT JEE 1982 Mathematics Archives

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