Book: RS Aggarwal - Mathematics
Chapter: 4. Inverse Trigonometric Functions
Subject: Maths - Class 12th
Q. No. 16 of Exercise 4B
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16
Find the principal value of each of the following :
[Formula: sin-1(-x) = -sin-1x ]
=
= 
Putting value of 
= 
= 
=
= 1
