updating oE tan
tan
<builtin> function tan(object angle)
returns the tangent of an angle, or a sequence of angles.
Parameters:
 angle : an object, each atom of which will be converted, no matter how deeply nested.
Returns:
An object, of the same shape as angle. Each atom in the flattened angle is replaced by its tangent.
Errors:
If any atom in angle is an odd multiple of PI/2, an error occurs, as its tangent would be infinite.
Comments:
This function may be applied to an atom or to all elements of a sequence of arbitrary shape, recursively.
Example 1:
t = tan(1.0)  t is 1.55741
See Also:
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