正切对数表(角度)
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log(tan(0.1°)) = -2.75812219142998
log(tan(0.2°)) = -2.45709087282465
log(tan(0.3°)) = -2.28099740885419
log(tan(0.4°)) = -2.15605558533886
log(tan(0.5°)) = -2.05914160340521
log(tan(0.6°)) = -1.97995550637956
log(tan(0.7°)) = -1.91300298367712
log(tan(0.8°)) = -1.8550044214849
log(tan(0.9°)) = -1.80384440162383
log(tan(1.0°)) = -1.75807853138637
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。