polar subtangent वाक्य
"polar subtangent" हिंदी में polar subtangent in a sentenceउदाहरण वाक्य
- *B . Williamson " Subtangent and Subnormal " and " Polar Subtangent and Polar Subnormal " in " An elementary treatise on the differential calculus " ( 1899 ) p 215, 223 Google books