Find tan(2A), if tan(A) = 7 and A is in quadrant 4. 24 %3D

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Q: 9) 10) 19 10 49° 32

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Q: 9) 10) 10 19 49° 32°

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Q: for question 3, I understand how we get 2 pie / 3 but how did you get 4 pie/3?

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