来自在线整数百科全书的问候语!http://oei.org/y*Search: id:a179373 Showing 1-1 of 1 %I A179373 %S A179373 2,5,5,4,1,9,5,9,5,2,8,3,7,0,4,3,0,3,7,8,2,9,6,6,6,1,7,3,7,9,1,8,7,7, %T A179373 9,3,6,1,1,5,7,4,9,1,7,1,4,1,1,0,5,2,4,3,8,1,4,0,5,6,6,3,6,4,3,0,2,0, %U A179373 2,2,6,2,6,8,9,3,2,3,6,4,5,9,5,8,8,5,0,0,5,6,5,7,0,2,1,1,4,5,0,7,0,4,5,4,4πn A17933圆弧中心角的小数展开对应于半径为R R%的圆弧扇区的圆弧段R(C)A17933圆弧段/扇区的弧长为R*A17933。圆段面积R^ 2为圆面积的1/π(A049 54 1)倍。扇区的面积为(R^ 2)*(A17933/ 2)=(R^ 2)*(1+A17937)。参见参考文献和其他关系的交叉引用。%%A17933 S. Selby,编辑器,CRC基本数学表,CRC出版社,1970,第7页。n,a(n)n=1…10000的表%H A17933Weist斯坦,Eric W.,“圆弧段”。%F A17933-解的正弦(x)=x - 2。% e E A17937 3 2.55 419593707307869617179361161591717141052424014056563643020……%T A17933实数[X/]。[X] - 2,{ X,2 },工作精度>105〕[*[Jeang-Jeang-Frang-OsIs],10月30日2012 *)%%A17933(PARI)解(x=0,π,X-SiN(x)-2).%Y17933CF.A17934(同样,在度),A179375(弦长),A17936(为“帽高”,段高),A17937(三角形高度),A17937(三角形面积),芬德根[X-SIN ]A0494.1.0%K A17933 CONS,NON-%O O A17937 3,1 1%,A17933MyRier-L.Seffddl,7月11日2010‰内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/许可证