Book: Mathematics Part-II
Chapter: 7. Integrals
Subject: Maths - Class 12th
Q. No. 5 of Exercise 7.10
Listen NCERT Audio Books - Kitabein Ab Bolengi
5
Evaluate the integrals using substitution.
Given: 
Let cos x = t
⇒ -sin xdx = dt
⇒ sin xdx = -dt
When x = 0, t = 1 and when x = π /2, t = 0
because, 
5
