正切对数表(角度)
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log(tan(3.1°)) = -1.26633686816611
log(tan(3.2°)) = -1.25252076276409
log(tan(3.3°)) = -1.23912809447136
log(tan(3.4°)) = -1.22613352450829
log(tan(3.5°)) = -1.21351391808439
log(tan(3.6°)) = -1.20124809597348
log(tan(3.7°)) = -1.18931662013335
log(tan(3.8°)) = -1.17770160792044
log(tan(3.9°)) = -1.16638657044121
log(tan(4.0°)) = -1.15535627137227
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。