Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Evaluate
lim
x
→
0
1
−
cos
(
4
x
)
x
2
\displaystyle \lim_{x\to 0} \frac{1-\cos(4x)}{x^{2}}
x
→
0
lim
x
2
1
−
cos
(
4
x
)
.
Browse the problem library