Basic Trig Identity's
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| secθ | 1/cosθ | |
| cscθ | 1/sinθ | |
| cotθ | 1/tanθ | |
| tanθ | 1/cotθ | |
| tanθ | sinθ/cosθ | |
| cotθ | cosθ/sinθ | |
| Pythagorean Identity | sin^2θ+cos^2θ=1 |
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