1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Improper Integrals
Write the pri...
Question
Write the principal value of
tan
-
1
3
+
cot
-
1
3
Open in App
Solution
We know
tan
-
1
x
+
cot
-
1
x
=
π
2
∴
tan
-
1
3
+
cot
-
1
3
=
π
2
Suggest Corrections
0
Similar questions
Q.
Find the principal values of each of the following:
(i)
cot
-
1
(
-
3
)
(ii)
cot
-
1
3
(iii)
cot
-
1
-
1
3
(iv)
cot
-
1
tan
3
π
4
Q.
Inverse circular functions,Principal values of
s
i
n
−
1
x
,
c
o
s
−
1
x
,
t
a
n
−
1
x
.
t
a
n
−
1
x
+
t
a
n
−
1
y
=
t
a
n
−
1
x
+
y
1
−
x
y
,
x
y
<
1
π
+
t
a
n
−
1
x
+
y
1
−
x
y
,
x
y
>
1
.
(a)
s
i
n
−
1
12
13
+
c
o
s
−
1
4
5
+
t
a
n
−
1
63
16
=
π
(b)
2
c
o
s
−
1
3
√
13
+
c
o
t
−
1
16
63
+
1
2
c
o
s
−
1
7
25
=
π
Q.
Find the principal values of each of the following:
(i)
tan
-
1
1
3
(ii)
tan
-
1
-
1
3
(iii)
tan
-
1
cos
π
2
(iv)
tan
-
1
2
cos
2
π
3
Q.
The value of
t
a
n
[
s
i
n
−
1
(
3
5
)
+
c
o
s
−
1
(
3
√
13
)
]
is
Q.
Calculating the principal value, find the value of
cos
[
sin
−
1
(
3
5
)
]
.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Improper Integrals
MATHEMATICS
Watch in App
Explore more
Improper Integrals
Standard XII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app