Trigonometry :
Choubey, K. R.
Trigonometry : Course in Mathematics for the IIT-JEE and Other Engineering Entrance Examinations [electronic resource] / - Pearson, 2010.
9781299486812 9789332509924
Trigonometry : Course in Mathematics for the IIT-JEE and Other Engineering Entrance Examinations [electronic resource] / - Pearson, 2010.
9781299486812 9789332509924