Book: RD Sharma - Mathematics (Volume 1)
Chapter: 4. Inverse Trigonometric Functions
Subject: Maths - Class 12th
Q. No. 2 of Exercise 4.9
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2
Evaluate:
Let 
where 
⇒ 
To find: 
As 
⇒ 
as 
⇒ 
⇒ 
⇒ 
