00686nam\a2200217\a\4500 BD-KhUET 20121217222749.0 121217b\\\\\\\\bg\a\\\\\\\\\\000\0\eng\\ BD-KhUET BD-KhUET. QA531 .M3 512 Das, Ashini Kumar. 257 Intermediate trigonometry / Ashini Kumar Das and M. Rahman. Dhaka : New Age Pub.. 320 [xviii] : ill. ; 19 cm. Trigonometry. 258 Rahman, M. 259 ddc BK 8475 8475 0 0 ddc 0 0 KUETCL KUETCL GEN 1977-09-22 Mr. H. Azam. 0.00 7 15 512 DAS 3010003145 2024-09-02 00:00:00 2024-08-19 1 2012-12-17 BK