How do you find a unit vector of 4i+3j? Precalculus Vectors in the Plane Unit Vectors 1 Answer Tony B Jun 21, 2016 ˆu=45i+35j Explanation: Tony B Using ratios Let unit vector be ˆu j2j1=i2i1=15 i2=i15=45 j2=j15=35 ˆu=45i+35j Answer link Related questions What is a unit vector? How do I find the unit vector of a plane? How do I calculate a unit vector? How do I multiply two unit vectors? What are unit vectors used for? What is a direction vector? What does it mean to normalize a vector? How do you find the principal unit normal vector to the curve at the specified value of the... An airplane has an airspeed of 500 kilometers per hour bearing N45°E. The wind velocity is 60... How do you find a unit vector that is orthogonal to a and b where a=−7i+6j−8k and ... See all questions in Unit Vectors Impact of this question 19838 views around the world You can reuse this answer Creative Commons License