Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Solve
cot
θ
=
sin
2
θ
\cot \theta = \sin 2\theta
cot
θ
=
sin
2
θ
by substituting
sin
2
θ
=
2
tan
θ
1
+
tan
2
θ
and again by substituting
\sin 2\theta = \frac{2 \tan \theta}{1 + \tan^2 \theta} \text{ and again by substituting}
sin
2
θ
=
1
+
tan
2
θ
2
tan
θ
and again by substituting
sin
2
θ
=
2
sin
θ
⋅
cos
θ
\sin 2\theta = 2 \sin \theta \cdot \cos \theta
sin
2
θ
=
2
sin
θ
⋅
cos
θ
and check whether the two answer are same or not.
Browse the problem library