Chapter Content type Value Position Created at
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 27 Delete Content
Chapter 6 - Financial Accou... text 220 Accountancy 14. Rectify the following errors : (a) Fu... 82 Delete Content
Chapter 8 - Mathematics text INTRODUCTION TO T RIGONOMETRY 127 EXERCISE 8.2 1. Evaluat... 30 Delete Content
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 31 Delete Content
Chapter 8 - Mathematics text 128 M ATHEMATICS 8.4 TrigonometricIdentities You may reca... 32 Delete Content
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 33 Delete Content
Chapter 8 - Mathematics text INTRODUCTION TOT RIGONOMETRY 129 2 2 2 AB   BC   AC ... 34 Delete Content
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 35 Delete Content
Chapter 8 - Mathematics text 130 M ATHEMATICS 2 (1 sin A)(1 + sin A) 1  sin A = cos... 36 Delete Content
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 37 Delete Content
Chapter 8 - Mathematics text INTRODUCTION TO T RIGONOMETRY 131 –1  1 , = tan   sec ... 38 Delete Content
Chapter 8 - Mathematics image /default_org/ncert_images/class-x/mat... 39 Delete Content
Chapter 6 - Financial Accou... image /default_org/ncert_images/class-xi/ac... 83 Delete Content
Chapter 9 - Mathematics text 134 M ATHEMATICS theangleformedbythelineofsightwiththehor... 4 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 5 Delete Content
Chapter 9 - Mathematics text SOME A PPLICATIONS OTRIGONOMETRY 135 (ii) the angle of el... 6 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 7 Delete Content
Chapter 9 - Mathematics text 136 M ATHEMATICS Example 2 : An electrician has to repair... 8 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 9 Delete Content
Chapter 9 - Mathematics text SOME A PPLICATIONS OTRIGONOMETRY 137 Example3:Anobserver1... 10 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 11 Delete Content
Chapter 9 - Mathematics text 138 M ATHEMATICS Since, we know the height of the buildin... 12 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 13 Delete Content
Chapter 9 - Mathematics text SOME APPLICATIONS OTRIGONOMETRY 139 So, DB = (40 + x) m N... 14 Delete Content
Chapter 9 - Mathematics image /default_org/ncert_images/class-x/mat... 15 Delete Content