正切对数表(角度)
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log(tan(83.1°)) = 0.917166907415423
log(tan(83.2°)) = 0.92356790499651
log(tan(83.3°)) = 0.930061935027998
log(tan(83.4°)) = 0.936651823206844
log(tan(83.5°)) = 0.943340524629381
log(tan(83.6°)) = 0.950131131817391
log(tan(83.7°)) = 0.957026883376197
log(tan(83.8°)) = 0.964031173345499
log(tan(83.9°)) = 0.971147561310537
log(tan(84.0°)) = 0.978379783348989
特别标注45°附近的对数特性，提供角度互补关系速查（如log(tanθ)与log(tan(90°-θ))的关系），支持导出航海专用对数表格式。