This is because radians have a mathematical "naturalness" that leads to a more elegant formulation of a number of important results.

The dispute was never resolved; one of these worthy gentleman was, in Moley's elegant formulation, in error.

In George Konrad's elegant formulation, Fust "emigrated to his novel."

The books are well known for their concise, elegant and accurate formulation of the laws of physics.

Schwinger gave the most elegant formulation of this approach.

That contract is, in The Economist's elegant formulation, "a political gift to Democrats: a set of sums that do not add up."

Working only with holonomic constraints is the price we have to pay for using an elegant variational formulation of mechanics.

Others echoed the sentiment in less elegant formulations.

It's possible to admire far less elegant formulations almost as much.