Answer:
It’s a
Step-by-step explanation:
Am smart


The basic angle for 1/2 is 60°, and cosines are negative in the first and third quadrant.
So, you take 180° - 60° = 120° to get the angle in the first quadrant, and 180° + 60° = 240° to get the angle in the third quadrant.
Since only 120° is an option, the answer is
B.
The correct answer for this question would be option B) 18.8 units or the second option.
Answer:
it reduce the number by 6 mark me brainlist
Step-by-step explanation:
