Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find an equation of the normal line to the curve
y
=
sec
x
y=\sec x
y
=
sec
x
at
x
=
π
4
x=\dfrac{\pi}{4}
x
=
4
π
.
Browse the problem library