Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Find number of solutions of
tan
x
+
sec
x
=
2
cos
x
\tan x + \sec x = 2 \cos x
tan
x
+
sec
x
=
2
cos
x
in
[
0
,
2
π
]
[0, 2\pi]
[
0
,
2
π
]
.
Browse the problem library