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OpenStudy (helpme1000):
Which of the following is true? a) Sine is negative in Quadrant 1 b) Tangent is positive in Quadrant 3 c) Cosine is positive in Quadrant 3 d) Sine is negative in Quadrant 2 I think it's either b or c
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OpenStudy (anonymous):
its a
OpenStudy (helpme1000):
Ooops! guess i was wrong... thanks!
jimthompson5910 (jim_thompson5910):
`Sine is negative in Quadrant 1` that's false. Sine is only negative below the x axis in Q3 and Q4 |dw:1452656392126:dw|
jimthompson5910 (jim_thompson5910):
this is where the y coordinates of points are negative |dw:1452656462164:dw|
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