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Asked by Ankur

What is the unit vector in R^2 which makes an angle of π4 with both the x- and y-axes?

12 years ago

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Answered by Reiny
if the angle is supposed to be π/4, then a unit vector in that direction is
(1/√2 , 1/√2) or (√2/2 , √2/2)
12 years ago
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What is the unit vector in R^2 which makes an angle of π4 with both the x- and y-axes?

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