Rt三角形ABC中,角C=90度,c为斜边,两直角边为a、b (1)b=4根号3,角A=30度,求Rt三角形ABC中,角C=90度,c为斜边,两直角边为a、b(1)b=4根号3,角A=30度,求c、a、角B(2)cosA=0.5,a=10,求c、b、角A、角B
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 21:39:49
![Rt三角形ABC中,角C=90度,c为斜边,两直角边为a、b (1)b=4根号3,角A=30度,求Rt三角形ABC中,角C=90度,c为斜边,两直角边为a、b(1)b=4根号3,角A=30度,求c、a、角B(2)cosA=0.5,a=10,求c、b、角A、角B](/uploads/image/z/12628020-12-0.jpg?t=Rt%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92C%3D90%E5%BA%A6%2Cc%E4%B8%BA%E6%96%9C%E8%BE%B9%2C%E4%B8%A4%E7%9B%B4%E8%A7%92%E8%BE%B9%E4%B8%BAa%E3%80%81b+%EF%BC%881%EF%BC%89b%3D4%E6%A0%B9%E5%8F%B73%2C%E8%A7%92A%3D30%E5%BA%A6%2C%E6%B1%82Rt%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92C%3D90%E5%BA%A6%2Cc%E4%B8%BA%E6%96%9C%E8%BE%B9%2C%E4%B8%A4%E7%9B%B4%E8%A7%92%E8%BE%B9%E4%B8%BAa%E3%80%81b%EF%BC%881%EF%BC%89b%3D4%E6%A0%B9%E5%8F%B73%2C%E8%A7%92A%3D30%E5%BA%A6%2C%E6%B1%82c%E3%80%81a%E3%80%81%E8%A7%92B%EF%BC%882%EF%BC%89cosA%3D0.5%2Ca%3D10%2C%E6%B1%82c%E3%80%81b%E3%80%81%E8%A7%92A%E3%80%81%E8%A7%92B)
x)*yIO.rtr~clkit2';v=6ž:Ov,y>{P&>nhLRx$[gv>nhklc%2;(TkT_hkghkh SQUjTO[OSl R@tٌШ
f'&5j