Signs of the Functions by Quadrants
Graphic Relations of Angle Functions
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Signs of the Functions by Quadrants |
| Quadrant | Sin Ø | Cos Ø | Tan Ø | Csc Ø | Sec Ø | Cot Ø |
| I | + | + | + | + | + | + |
| II | + | - | - | + | - | - |
| III | - | - | + | - | - | + |
| IV | - | + | - | - | + | - |
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