正三棱锥侧棱,正四棱锥P—ABCD中,侧棱PA与底面所成的角的正切值为 二分之根号六,1)求侧面PAD与底面ABCD所成的角大小; (2)若E为PB的中点,求PD、AE所成角的正切值; (3)在侧面PAD上找一点
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 00:12:34
![正三棱锥侧棱,正四棱锥P—ABCD中,侧棱PA与底面所成的角的正切值为 二分之根号六,1)求侧面PAD与底面ABCD所成的角大小; (2)若E为PB的中点,求PD、AE所成角的正切值; (3)在侧面PAD上找一点](/uploads/image/z/3972270-30-0.jpg?t=%E6%AD%A3%E4%B8%89%E6%A3%B1%E9%94%A5%E4%BE%A7%E6%A3%B1%2C%E6%AD%A3%E5%9B%9B%E6%A3%B1%E9%94%A5P%E2%80%94ABCD%E4%B8%AD%2C%E4%BE%A7%E6%A3%B1PA%E4%B8%8E%E5%BA%95%E9%9D%A2%E6%89%80%E6%88%90%E7%9A%84%E8%A7%92%E7%9A%84%E6%AD%A3%E5%88%87%E5%80%BC%E4%B8%BA+%E4%BA%8C%E5%88%86%E4%B9%8B%E6%A0%B9%E5%8F%B7%E5%85%AD%2C1%EF%BC%89%E6%B1%82%E4%BE%A7%E9%9D%A2PAD%E4%B8%8E%E5%BA%95%E9%9D%A2ABCD%E6%89%80%E6%88%90%E7%9A%84%E8%A7%92%E5%A4%A7%E5%B0%8F%EF%BC%9B+%EF%BC%882%EF%BC%89%E8%8B%A5E%E4%B8%BAPB%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E6%B1%82PD%E3%80%81AE%E6%89%80%E6%88%90%E8%A7%92%E7%9A%84%E6%AD%A3%E5%88%87%E5%80%BC%EF%BC%9B+%EF%BC%883%EF%BC%89%E5%9C%A8%E4%BE%A7%E9%9D%A2PAD%E4%B8%8A%E6%89%BE%E4%B8%80%E7%82%B9)
xUn@JH+9&BecÓ}o)4j5ZU MTH"$JEPMzEVU˙3C|%^8{rWu:5@ "^fOVӸ@\eCϸ_ʑLi!"ֺtd;Y@A+^g|84(U
ZVU
@z6 agfUָD
48/#!7|id "7g1RiwTW*IIA^NwU`;%C~\ZI G#$Y
u~uw y*2ÞuuCP?xVyÿGsni[ZU
I1ѯwddK43I&b Ԅ!
*)3,,"R8NO6qq8]F15WO(C+@LgUY߾LS
l^l1%Utsfo t-Z5!`2Ʀb]u:ST(d 8un\
M&bQ2U~1)tn~TϗCUX92ьo+坕5>&:;+is4Pt*"nNGuNc~>f"x߅7`Wc6ǓǣJt<݀`1nK