如图3-1-1,矩形ABCD中,AB=a,BC=2a,在BC上取一点P,使AB BP=PD,求tan∠APD的值.https://bgk-photo.cdn.bcebos.com/b151f8198618367abc14ddbc3e738bd4b31ce536.jpg图3-1-1
如图3-1-1,矩形ABCD中,AB=a,BC=2a,在BC上取一点P,使AB BP=PD,求tan∠APD的值.https://bgk-photo.cdn.bcebos.com/b151f8198618367abc14ddbc3e738bd4b31ce536.jpg图3-1-1
发布时间：2025-09-10 04:31:44
,得x=
.∴tanα=
,tanβ=
.∴tan(α β)=
=-18.∴tan∠APD=tan[180°-(α β)]=18.
