Cosine of 285°
Calculate cosine of 285 degrees using the unit circle.
Answer:
cos(285°) = 0.258819
Step-by-Step Solution
Step 1
Identify
Finding cos(285°)
Step 2
Convert to Radians
285° = 4.974188 rad
Step 3
Calculate
cos(285°) = 0.258819
Step 4
Final Answer
0.258819