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The initial and terminal points of RS are given
below. Find the direction angle of the vector.
R(-9,-1) and S(-6, -7)

Sagot :

Step-by-step explanation:

I'll graph the line on desmos.

We get this vector, check first picture

First, we need to find x and y componets.

To do that, we find the displacement between the points

Since R is inital, the horinzontal displacement is. 3.

Since R is inital, the vertical displacement is -6. So

our x and y components is (3,-6).

We then using tangent to find direction angle

[tex] \tan(x) = \frac{ - 6}{3} [/tex]

[tex] \tan(x) = - 2[/tex]

[tex]x = 116.57[/tex]

So our direction angle is 116.57 degrees.

View image algebraic12
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