Book: RS Aggarwal - Mathematics
Chapter: 4. Inverse Trigonometric Functions
Subject: Maths - Class 12th
Q. No. 11 of Exercise 4B
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11
Find the principal value of each of the following :
[Formula: tan(π – x) = -tan (x) , as tan is negative in the second quadrant. ]
= 
[Formula: tan-1(tan x) = x ]
= 
