Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Find the number of solutions for,
sin
5
θ
⋅
cos
3
θ
=
sin
9
θ
⋅
cos
7
θ
in
[
0
,
π
2
]
.
\sin 5\theta \cdot \cos 3\theta = \sin 9\theta \cdot \cos 7\theta \text{ in } \left[ 0, \frac{\pi}{2} \right].
sin
5
θ
⋅
cos
3
θ
=
sin
9
θ
⋅
cos
7
θ
in
[
0
,
2
π
]
.
Browse the problem library