Intermediate trigonometry
Das, B. C.
Intermediate trigonometry / B. C. Das and B. N. Mukherjee. – 9th ed. – Kolkata : U. N. Dhur & Sons, 1958.
512.13 / DAS\I
B00956A
Intermediate trigonometry / B. C. Das and B. N. Mukherjee. – 9th ed. – Kolkata : U. N. Dhur & Sons, 1958.
- Intermediate trigonometry
- Trigonometry
- Mathematics .
512.13 / DAS\I
B00956A