把67°30‘化为弧度.3/8派是怎么算出来的?
问题描述:
把67°30‘化为弧度.3/8派是怎么算出来的?
答
弧度=角度×2π÷360°
=67°30′×2π÷360°
=67.5°÷360°×2π
=0.1875×2π
=0.375π
=3/8 π