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