Mathematics Part-II

Book: Mathematics Part-II

Chapter: 7. Integrals

Subject: Maths - Class 12th

Q. No. 28 of Miscellaneous Exercise

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28

Evaluate the definite integral:

Given:






Now let sin x – cos x = t ⇒( cos x + sin x )dx = dt






i.e. f(x) = f(-x)


so, f(x) is an even function.


It is also known that if f(x) is an even function then,






28

Chapter Exercises

Exercise 7.2
Exercise 7.4
Exercise 7.5
Exercise 7.3
Exercise 7.1
Exercise 7.6
Exercise 7.8
Exercise 7.9
Exercise 7.10
Exercise 7.11
Exercise 7.7
Miscellaneous Exercise

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