www.iTutoring.com -­‐ NOTES The Unit Vector in the Same Direction of v = ai + bj Name _________________________________ Date ___________________ Period _______ (a,b)
Given v = ai + bj, the unit vector in the same
direction of v
u=
v
v
v
u
(2,3)
Find the unit vector in the direction of
v = 2i + 3j
u=
v
v
v
u
Find the unit vector in the direction of
v = -3i + j
u=
v
v
(-3,1)
v
u
Find the unit vector in the direction of
v = -2i – 2j
u=
v
v
u
v
(-2,-2)
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The Unit Vector in the Same Direction of v = ai + bj Pg. 2 Find the unit vector in the direction of
v = 2i – j
u=
v
v
u
v
(2,-1)
Given v = ai + bj, the unit vector in the same direction of v
u=
u=
a
v
v
v
i+
b
v
j
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The Unit Vector in the Same Direction of v = ai + bj Pg. 3