9. You are given that u is an angle in the third quadrant and tan u...

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math trigonometry

Answer 1

Answer #1

9. tan u 리 - tan²u It tan²u 32 25 cos au 1-11 it 9/16 7 25 7 2cos²u = 14 cos au = 1 t 25 16 => costu cos u = [ Thind quadrant

Answer 2

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