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Special Trig Ratios
| Term | Definition |
|---|---|
| tan45 degrees<br /> tan(π/4) radians | 1 |
| sin45 degrees<br /> sin(π/4) radians | 1/√2 |
| cos45 degrees<br /> cos(π/4) radians | 1/√2 |
| tan30 degrees<br /> tan(π/6) radians | 1/√3 |
| sin30 degrees<br /> sin(π/6) radians | 1/2 |
| cos30 degrees<br /> cos(π/6) | √3/2 |
| tan60 degrees<br /> tan(π/3) radians | √3 |
| sin60 degrees<br /> sin(π/3) radians | √3/2 |
| cos60 degrees<br /> cos(π/3) radians | 1/2 |