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Higher trigonometry /

Das, B. C.

Higher trigonometry / B.C.Das, B.N. Mukherjee. - 28th ed. - Calcutta : U.N. Dhur & Sons Privated, c1998. - xiv, 313 p. : ills. ; 22 cm.

8185624232


Trigonometry.

516.24 / DAH