Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Principal value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
is negative.
will lie in 2 nd or 4 th quadrant. For 2 nd quadrant we will
select anticlockwise and for 4 th quadrant, we will select
clockwise direction.
In the first circle two values 
and 
are obtained.
Among these two, 
is numerically least angle. Hence
principal value is 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
λ3Δ ABC and Δ DEF have sides of lengths a, b, c and d, e, f respectively (symbols are as per usual …
In a triangle ABC, ∠ A = 60 0 , a = 4 and b = 3, then c is a root of the equation
In a triangle ABC, if cos A + 2cos B + cos C = 2, then a, b, c
are in -
If in triangle ABC, r 1 = 2r 2 = 3r 3 , D is the middle point of BC. Then cos ( ∠ ADC) is equal to -
If in a triangle ABC, sin A, sin B, sin C are in A.P., then -
In triangle ABC, I is the incentre of the triangle. If ‘R’ and ‘r’ be the circumradius and inradius…