method

tan

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tan(p1) public

Returns the tangent of x (expressed in radians).

/*
 *  call-seq:
 *     Math.tan(x)    => float
 *  
 *  Returns the tangent of <i>x</i> (expressed in radians).
 */

static VALUE
math_tan(obj, x)
    VALUE obj, x;
{
    Need_Float(x);

    return rb_float_new(tan(RFLOAT(x)->value));
}

tan

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