SOLUTION: Find the exact value of sec(-210°)
Algebra.Com
Question 397427: Find the exact value of sec(-210°)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the exact value of sec(-210°)
sec = 1/cos
cos(-210) = cos(210) = -sqrt(3)/2
sec = -2sqrt(3)/3
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