Cosine of 240°
Calculate cosine of 240 degrees using the unit circle.
Answer:
cos(240°) = -0.5
Step-by-Step Solution
Step 1
Identify
Finding cos(240°)
Step 2
Convert to Radians
240° = 4.18879 rad
Step 3
Calculate
cos(240°) = -0.5
Step 4
Final Answer
-0.5