Book: Mathematics Part-II
Chapter: 7. Integrals
Subject: Maths - Class 12th
Q. No. 9 of Exercise 7.9
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9
Evaluate 
Let I = 
⇒ I = 
[
]
⇒ I = 
⇒ I = sin-1(1) – sin-1(0) = π/2 – 0
⇒ I = π/2
∴ 
= π/2
9
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