## 例文

- もっと例文: 1 2
- The
*radian measure*is defined in such a way as to make derivative at the origin 1. - The concept of
*radian measure*, as opposed to the degree of an angle, is normally credited to Roger Cotes in 1714. - Since the area ratio between the sector and the full circle is the same as the ratio between their
*radian measures*, we have - The area of the circle sector is half the
*radian measure*of the angle between the " unstretched " lines; scale that up to get the area of the ellipse sector. - In Madhava's table, the entry corresponding to 22.50?is the measure in arcminutes, arcseconds and sixtieths of arcseconds of the angle whose
*radian measure*is the modern value of sin 22.50?