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Trigonometry
Quadrants
Quadrant determination
In which quadrant does θ lie of the following statements are true: cosine, theta, is greater than, 0, and , sine, theta, is greater than, 0 cosθ>0 and sinθ>0
1 answer
If both cosθ > 0 and sinθ > 0, then θ lies in the first quadrant.
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