2
You visited us
2
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Complex Numbers
cos 11 o -cos...
Question
cos
11
o
−
cos
2
o
>
0
A
True
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
False
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
B
False
cos
11
o
−
cos
2
o
>
0
Ref. image
we know that value of cos decreases with increase in
θ
from 0 to
π
2
∴
cos
11
o
is less then
cos
2
o
∴
cos
11
o
−
c
o
s
2
o
should be can then zero
Hence given statement is false.
Suggest Corrections
0
Similar questions
Q.
cos
11
o
−
sin
11
o
cos
11
o
+
sin
11
o
=
cot
56
o
Q.
Prove that:
cos
11
o
+
sin
11
o
cos
11
o
−
sin
11
o
=
tan
56
o
Q.
The value of
cos
11
o
+
sin
11
o
cos
11
o
−
sin
11
o
is-
Q.
cos
1
o
+
cos
2
o
+
cos
3
o
+
.
.
.
+
cos
180
o
is equal to
Q.
The value of
(
cos
1
o
+
cos
2
o
+
cos
3
o
+
.
.
.
+
cos
180
o
)
is__________
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
Introduction
MATHEMATICS
Watch in App
Explore more
Complex Numbers
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