Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
CBSE
MATHEMATICS · Multi-part · CBSE · Mathematics · Integrals · Integrals
Problem
Evaluate. (i)
∫
1
4
sin
2
x
+
9
cos
2
x
d
x
\int \frac{1}{4\sin^2 x+9\cos^2 x}\,dx
∫
4
s
i
n
2
x
+
9
c
o
s
2
x
1
d
x
(ii)
∫
sin
x
sin
3
x
d
x
\int \frac{\sin x}{\sin 3x}\,dx
∫
s
i
n
3
x
s
i
n
x
d
x
Related theory
Integration Techniques
Standard trigonometric integrals
Integration using trigonometric identities
Integrals
Browse the problem library