Book: RS Aggarwal - Mathematics
Chapter: 4. Inverse Trigonometric Functions
Subject: Maths - Class 12th
Q. No. 14 of Exercise 4B
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14
Find the principal value of each of the following :
[ Formula: tan( π + x) = tan x, as tan is positive in the third quadrant.]
=
[Formula: tan-1(tan x) = x ]
= 
