Vectors Flashcards
1
Q
How to find angles between line and a plane?
A
Find normal of plane and direction vector of line
Use costheta formula
Do 90-theta(acute)
2
Q
Angle between 2 planes
A
Find normals of 2 planes use costheta formula(dot product)
Do 180-theta
3
Q
Distance between 2 parallel lines
A
Subtract both position vectors and find the magnitude
Find the acute angle using costheta
Distance=
Magnitude(sintheta)
Draw a diagram
