Intermediate trigonometry
Das, B. C.
Intermediate trigonometry / B. C. Das and B. N. Mukherjee. – 30th ed.. – Kolkata : U. N. Dhur & Sons, 1949.
512.13 / DAS\I
B00002
Intermediate trigonometry / B. C. Das and B. N. Mukherjee. – 30th ed.. – Kolkata : U. N. Dhur & Sons, 1949.
- Intermediate trigonometry
- Trigonometry
- Mathematics .
512.13 / DAS\I
B00002