Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
State the maximum and minimum value of: a.
y
=
4
cos
2
x
y = 4 \cos 2x
y
=
4
cos
2
x
b.
y
=
3
cos
x
+
5
y = 3 \cos x + 5
y
=
3
cos
x
+
5
c.
y
=
−
2
cos
(
x
−
3
)
−
4
y = -2 \cos(x - 3) - 4
y
=
−
2
cos
(
x
−
3
)
−
4
Browse the problem library