Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Explain, in no more than two sentences, why the denominator
1
−
x
2
\sqrt{1-x^{2}}
1
−
x
2
appears in the derivative of
arcsin
x
\arcsin x
arcsin
x
for
∣
x
∣
<
1
|x|<1
∣
x
∣
<
1
.
Browse the problem library