25:25
#sindhtextbookboard #mathematics #class10 #unit 30 #exercise 30.1 #complete .
33:30
#sindhtextbookboard #mathematics #class10 #unit 30 #exercise 30.2 #complete .
20:21
#exercise 30.3 #Q 7 (I-Vll). #sindh textbook board #class10 #mathematics #unit 30 #trigonometry .
29:50
#exercise 30.4 #complete exercise #sindhtextbook #mathematics #class10 #unit 30 #trigonometry .
33:51
#exercise 30.5 #complete exercise #sindhtextbook #mathematics #class10 #unit 30 #trigonometry .