+4473 v=3i-4j
Let's call u the unit vector, then u = v / magnitude of v
u = <3,-4> / sqrt $$(3^{2} + (-4)^{2})$$
u = <3, -4> / sqrt(25)
u = <3, -4> / 5
u = <3/5, -4/5>.
+4473 v=3i-4j
Let's call u the unit vector, then u = v / magnitude of v
u = <3,-4> / sqrt $$(3^{2} + (-4)^{2})$$
u = <3, -4> / sqrt(25)
u = <3, -4> / 5
u = <3/5, -4/5>.
