# Direction Angles

### Topic Page

Direction Angles### Questions

- How do I find the direction angle of vector #<-2, -5>#?
- How do I find the direction angle of vector #<1, -sqrt3>#?
- How do I find the direction angle of vector #<-sqrt3, -1>#?
- How do I find the direction angle of the vector #v=10i-10j#?
- How do I find the magnitude and direction angle of the vector #v=3i- 4j#?
- How do I find the magnitude and direction angle of the vector #v =6i-6j#?
- Why is the direction angle important?
- What are some applications of the use of direction angle?
- How do you find the direction cosines and direction angles of the vector?
- How do I find the angle between the planes 5(x+1) + 3(y+2) + 2z = 0 and x + 3(y-1) + 2(z+4) = 0?
- Vector M = 7.3 m points eastward and vector N = 3.0 m points westward. What is the resultant vector M+N?
- Vector A has magnitude 3.7 units; vector B has magnitude 5.9. The angle between vector A and B is 45 degrees. What is the magnitude of vector A+ vector B?
- What is the unit vector with positive z component which is normal to z = xy + x/y at (1,1,2)?
- How do you find the magnitude and direction angle of the vector #v=3(cos60i+sin60j)#?
- How do you find the magnitude and direction angle of the vector #v=6i-6j#?
- How do you find the magnitude of MP given M(2,-1) and P(-3,4)?
- How do you find the magnitude of MP given M(-19,4) and P(4,0)?