SOLUTION: If cosA = 1/3 for angle A in Quadrant I, find cos2A

SOLUTION: If cosA = 1/3 for angle A in Quadrant I, find cos2A

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Question 1029654: If cosA = 1/3 for angle A in Quadrant I, find cos2A
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Just did this one...-7/9...
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