# Trig- Check my answer Please

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Find the unit vector in the direction of <-1,-2>.

Do not approximate any numbers in your answer.

I get (-1/sqrt10) and (-3/sqrt10)

• Trig- Check my answer Please -

What is the length of <-1,-2>? Divide <-1,-2> by its length, giving the result a length of 1 - an unit vector.

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