Book: RD Sharma - Mathematics (Volume 1)
Chapter: 4. Inverse Trigonometric Functions
Subject: Maths - Class 12th
Q. No. 1 of Exercise 4.3
Listen NCERT Audio Books to boost your productivity and retention power by 2X.
1
Find the principal value of each of the following:
We know that, for any x 
R, 
represent an angle in 
whose tangent is x.
So, 
= An angle in 
whose tangent is 
Hence, the Principal value of 
is 
.
