Groups and FieldsChallengeSplitting Fields and Constructions ShareSplitting Fields and Constructions · Challenge problemIs cos2π17\cos\frac{2\pi}{17}cos172π constructible?AYes: its degree is 888BNo: 171717 is primeCNo: its degree is 161616DOnly approximatelyCheck Show answer Walk through it step by step Practice more like this Review this concept