000
00282nam a2200133Ia 4500
020
_a
81-7371-206-9
365
_b
185
942
_c
BK
654
_a
245
_a
Trigonometric delights
260
_a
India
_b
Universities Press
_c
1998
082
_a
516.24
300
_b
Pb
_a
xiv, 236
999
_c
419030
_d
419030
041
_a
eng