SOLUTION: 18.find csc if cos=3* sq root5/7 the answer should lay in quadrant 1

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Question 175833: 18.find csc if cos=3* sq root5/7
the answer should lay in quadrant 1
Answer by Alan3354(69443) About Me  (Show Source):
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18.find csc if cos=3* sq root5/7
the answer should lay in quadrant 1
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The cos is greater than 1.
3*sqrt(5/7) =~ 2.535
That would make the angle a complex number, which I doubt you're looking for.