Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
d
d
x
x
sin
x
=
\frac{d}{dx} \sqrt{x \sin x} =
d
x
d
x
sin
x
=
a.
sin
x
+
x
cos
x
2
x
sin
x
\frac{\sin x + x \cos x}{2\sqrt{x \sin x}}
2
x
s
i
n
x
s
i
n
x
+
x
c
o
s
x
b.
sin
x
+
x
cos
x
x
sin
x
\frac{\sin x + x \cos x}{\sqrt{x \sin x}}
x
s
i
n
x
s
i
n
x
+
x
c
o
s
x
c.
x
sin
x
+
cos
x
2
sin
x
\frac{x \sin x + \cos x}{\sqrt{2 \sin x}}
2
s
i
n
x
x
s
i
n
x
+
c
o
s
x
d. None of these
Browse the problem library