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  1. What will be the output of the following PHP code?

    <?php
       echo(atan(0.50));
    ?>
    2. A.

     0.11845976421345
    B.

     0.23568451142521
    C.

     0.46364760900081
    D.

     1

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    Answer : Option C

    Explanation :

    The atan() function returns the arc tangent of arg as a numeric value between -Pi/2 and Pi/2 radians.

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