These are three solutions
(0,-2)
(1,3)
(2,8)
Answer:
cos(O) = 39 / 89
Step-by-step explanation:
Given:
ΔOPQ, where
∠Q=90°
PO = 89
OQ = 39
QP = 80
cosine of ∠O?
cos(O) = Adjacent / Hypotenuse
cos(O) = 39 / 89
ANSWER
36 .19
EXPLANATION
We want to estimate

This is the same as

or

We multiply the numerators to get,

We convert to decimals to get

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