Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find
sin
2
θ
\sin 2\theta
sin
2
θ
if
θ
=
π
8
\theta=\dfrac{\pi}{8}
θ
=
8
π
. a)
2
−
2
\sqrt{2-\sqrt{2}}
2
−
2
b)
2
+
2
2
\dfrac{\sqrt{2+\sqrt{2}}}{2}
2
2
+
2
c)
2
2
\dfrac{\sqrt{2}}{2}
2
2
d)
2
−
2
2
\dfrac{\sqrt{2-\sqrt{2}}}{2}
2
2
−
2
Browse the problem library