5.2 角度與弧度換算(見表1-9)

1°=0.017453弧度1′=0.000291弧度1″=0.000005弧度180°=π弧度360°=2π弧度表1-9角度、弧度換算表角度弧度角度弧度1″0.0000054″0.0000192″0.0000105″0.0000243″0.0000156″0.000029(續(xù)表)角度弧度角度弧度7″0.0000348′0.0023278″0.0000399′0.0026189″0.0000 ......（本文共 689 字 ）     [閱讀本文] >>