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.
Answer:I think 57Step-by-step explanation:
Cuz its adding 2 every time then I just did 28 x 2 and added the extra. Does that make sense?
4 x 8 = 28
28 x 2 = 56
56 + 1 = 57
The correct choice appears to be ...
... A) 4/15
Seven hundred and ten thousand two hundred
1. 5
2. 15
3. 25
i believe