Look at the picture.
Definitions:
We have:
and Quadrant II (x < 0, y > 0)
Therefore x=-3 and y = 2. Calculate r:
Substitute to the formula of cosine:
Answer: a.
Choose the equation that represents a line that passes through points (-3,2) and (2,1)
1 answer:
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Hello!
Answer:⇒⇒⇒⇒⇒=
Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓
Group like terms:
↓↓↓↓↓↓↓↓↓↓↓↓↓↓
Add similar elements.
Hope this helps!
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-Charlie