They used the Law of Sines in their proof, avoiding circular reasoning, which has long been considered unworkable due to the ...

but very few use trigonometry to make their argument—the theorem is so central to that particular field of mathematics that to do so would usually rely on circular reasoning (using the theorem ...

Unlike the JavaScript version of the CSS trigonometric functions, the CSS functions ... (Heading: Code to move items on a circular path around a central point in CSS.) ...