The sum of three consecutive integers is 9.
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Answer:
The equivalent trigonometric ratio in Quadrant I is
Step-by-step explanation:
The terminal side of is in the 3rd quadrant.
The principal angle is
In other words, the terminal side of makes an acute angle of
radian with the positive x-axis. Acute angles are in the first quadrant.
Since the cosine ratio is negative in the 3rd quadrant,