

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.
Answer:
B. x<27
Step-by-step explanation:
300-165=135
135/5=27
Answer:
1. 150% 2. 14%
Step-by-step explanation:
64-128-256
each step double previous number
The answer is 1.48226407 hope it helps