How do I find the direction angle of the vector #v=10i-10j#? Precalculus Vectors in the Plane Direction Angles 1 Answer GiĆ³ Apr 4, 2018 I tried this: Explanation: Have a look: Answer link Related 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 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? See all questions in Direction Angles Impact of this question 15881 views around the world You can reuse this answer Creative Commons License