Ask Question
5 April, 22:19

Find the exact value of cos210 using the unit circle

+4
Answers (1)
  1. 5 April, 23:39
    0
    Cos 210° = cos (180° + 30°) - cos 30° = - √3/2
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Find the exact value of cos210 using the unit circle ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers