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TRIGO
The six trigonometric ratios
| sine | one over cosecant |
|---|---|
| cosine | one over secant |
| tangent | one over cotangent |
| cotagent | one over tangent |
| secant | one over cosine |
| cosecant | one over sine |
| sine | opposite to hypotenuse |
| cosine | adjacent to hypotenuse |
| tangent | opposite to adjacent |
| cotangent | adjacent to opposite |
| secant | hypotenuse to adjacent |
| cosecant | hypotenuse |