Central Library

Dhaka University of Engineering and Technology, Gazipur

ঢাকা প্রকৌশল ও প্রযুক্তি বিশ্ববিদ্যালয়, গাজীপুর

Plane trigonometry: for higher secondary classess/

Mahmud,Sultan.

Plane trigonometry: for higher secondary classess/ Sultan Mahmud. - 2nd rev.ed. - Dhaka: East Bengal Pub., 1963 - xii,318p.: illus.; 18cm.




1 .Trigonometry.
2 . Mathematics.

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