SOLUTION: Use the half angle formulas to find exact value:
SIN 210 degrees
COS 60 degrees
Algebra.Com
Question 923217: Use the half angle formulas to find exact value:
SIN 210 degrees
COS 60 degrees
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Use the half angle formulas to find exact value:
SIN 210 degrees
COS 60 degrees
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