nk735 Messages 13 Reaction score 0 Thread starter Apr 8, 2008 #1 Homework Statement Find the acute angle between the planes Ax+By+Cz=D and Ex+Fy+Gz=H Homework Equations The Attempt at a Solution I have no idea
Homework Statement Find the acute angle between the planes Ax+By+Cz=D and Ex+Fy+Gz=H Homework Equations The Attempt at a Solution I have no idea
Dick Science Advisor Homework Helper Messages 26,254 Reaction score 623 Apr 8, 2008 #2 The angle between the planes is the same as the angle between the normals to the planes.