Answer:

Step-by-step explanation:
Answer:
whats the question
Step-by-step explanation:
Slope is 1/2. I’m here getting points lol
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It really sucks doesn’t it/
Step-by-step explanation:
Hello!
To find cosine, use the formula cos = adjacent / hypotenuse.
According to angle B, adjacent of angle B is side A, and the hypotenuse is side c because the hypotenuse is always opposite the right angle.
Therefore, the cosine of angle B is a/c.