Level:
Project ID:
1103212903
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
A cube with an edge length of units is placed in a coordinate system (see the picture). Find an angle between the plane passing through the points , and and the straight line .
Hint: An angle between a line and a plane is an angle between the line and its orthogonal projection into this plane.