Answer:
cos 120° = -1/2
Step-by-step explanation:
cos 120° = (adjacent side) / (hypotenuse.
Here the adjacent side (the side next to the central angle in this 30-60-90 triangle) is -1. Then the hypotenuse is 2 and the opposite side is √3.
Thus, cos 120° = -1/2

Hmmm... Strange very very strange. The bars around the w represent absolute value, and whatever is inside those bars always yields a positive answer. So, |-87| = 87 or |-8| = 8 or even |5|=5
Answer:
15
Step-by-step explanation:
From left to right, the line slants upwards like in this image:
7.025 is greater than 7 1/8