正切对数表(角度)
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log(tan(89.1°)) = 1.80384440162383
log(tan(89.2°)) = 1.85500442148489
log(tan(89.3°)) = 1.91300298367711
log(tan(89.4°)) = 1.97995550637957
log(tan(89.5°)) = 2.05914160340521
log(tan(89.6°)) = 2.15605558533886
log(tan(89.7°)) = 2.28099740885417
log(tan(89.8°)) = 2.45709087282461
log(tan(89.9°)) = 2.75812219142999
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。