public static <A extends Number & Comparable<?>> NumberExpression<Double> radians(Expression<A> num) {
        return Expressions.numberOperation(Double.class, Ops.MathOps.RAD, num);
    }
Create a {@code rad(num)} expression

<p>Converts degrees to radians</p>

@param num numeric expression
@return rad(num)
querydsl-core/src/main/java/com/querydsl/core/types/dsl/MathExpressions.java