Book: Mathematics Part-II
Chapter: 7. Integrals
Subject: Maths - Class 12th
Q. No. 8 of Exercise 7.9
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8
Evaluate 
Let I = 
⇒ I = 
[
]
⇒ I = log |cosec π/4 – cot π/4| - log |cosec π/6 – cot π/6|
⇒ I = log |√2 – 1| - log |2 - √3|
∴ 
= 
8
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