SOLUTION: sinx is less than 0. what quadrant does this lie in. please help if possible. thank you

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Question 303763: sinx is less than 0. what quadrant does this lie in. please help if possible. thank you
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sine = y/r, so it's positive for positive y values.
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y is negative in Q3 and Q3 --> sine is neg in Q3 and Q4
Use the unit circle to do these.