What quadrant is this vector in?
Answer
Which quadrant is this vector in?
Which quadrant does this vector lie in?
Determine which quadrant this vector lies in and find its direction.
Look at this triangle:
We can see that
.
The direction of the vector is
What quadrant does this vector lie in and what is its direction?
We can find its direction in one step:
What quadrant does this vector lie in and what is it's direction?
We can see that the reference angle α is
For the following vector, what quadrant does it lie in and what is its direction?
Looking at this triangle, we can find α:
What quadrant is the following vector in and what is its direction?
We don't need to bother with arctan for this one. The vector is lying on the positive x-axis:
Its direction is θ = 0.
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