Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Determine the general solution as well as the principal solutions in the interval
[
0
,
2
π
)
[0,2\pi)
[
0
,
2
π
)
for the equation
cos
7
θ
−
cos
3
θ
=
0
\cos 7\theta-\cos 3\theta=0
cos
7
θ
−
cos
3
θ
=
0
.
Browse the problem library