sin角乘斜边等于对边吗?sin角 = 对边/斜边; sosin角* 斜边 = 对边但在 1,2,1.73,30度,60度,90度这个三角形里应该是 Math.sin( 30* Math.PI / 180 ) * 1.73 = 1结果是 0.8649 不对.或者直接计算这个:已知直角三
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 20:29:58
![sin角乘斜边等于对边吗?sin角 = 对边/斜边; sosin角* 斜边 = 对边但在 1,2,1.73,30度,60度,90度这个三角形里应该是 Math.sin( 30* Math.PI / 180 ) * 1.73 = 1结果是 0.8649 不对.或者直接计算这个:已知直角三](/uploads/image/z/14319337-49-7.jpg?t=sin%E8%A7%92%E4%B9%98%E6%96%9C%E8%BE%B9%E7%AD%89%E4%BA%8E%E5%AF%B9%E8%BE%B9%E5%90%97%3Fsin%E8%A7%92+%3D+%E5%AF%B9%E8%BE%B9%2F%E6%96%9C%E8%BE%B9%EF%BC%9B+sosin%E8%A7%92%2A+%E6%96%9C%E8%BE%B9+%3D+%E5%AF%B9%E8%BE%B9%E4%BD%86%E5%9C%A8+1%2C2%2C1.73%2C30%E5%BA%A6%2C60%E5%BA%A6%2C90%E5%BA%A6%E8%BF%99%E4%B8%AA%E4%B8%89%E8%A7%92%E5%BD%A2%E9%87%8C%E5%BA%94%E8%AF%A5%E6%98%AF+Math.sin%28+30%2A+Math.PI+%2F+180+%29+%2A+1.73+%3D+1%E7%BB%93%E6%9E%9C%E6%98%AF+0.8649+%E4%B8%8D%E5%AF%B9.%E6%88%96%E8%80%85%E7%9B%B4%E6%8E%A5%E8%AE%A1%E7%AE%97%E8%BF%99%E4%B8%AA%EF%BC%9A%E5%B7%B2%E7%9F%A5%E7%9B%B4%E8%A7%92%E4%B8%89)
xRN@Y*i#iq_nQBjLhKUid{d\*Ud:d`;9.T UD,p[
VI\"Xx&ӛԱyMuqgZ(6@+u
C2<`"S =o"-$6