Example 22

Evaluate

Solution : Let   p/2 - x = h    \ p/2 - h = x   and as x® p/2, h ® 0    \ required limit

Example 23

Show that = 2

Solution : Let

Index

2.1 Modulus
2.2 Inequalities
2.3 Limits Of Functions
2.4 Left Hand And Right Hand Limits
2.5 Theorems On The Algebra Of Limits
2.6 Evaluating Limits
2.7 Limits Of Trigonometric Functions
2.8 The Exponential Limits

Chapter 3