Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
1.
a
Find two angles
θ
\theta
θ
on the unit circle, with
0
≤
θ
≤
2
π
0 \le \theta \le 2\pi
0
≤
θ
≤
2
π
, such that
cos
θ
=
3
10
\cos \theta = \frac{3}{10}
cos
θ
=
10
3
. 2.
b
For each value of
θ
\theta
θ
, find
sin
θ
\sin \theta
sin
θ
and
tan
θ
\tan \theta
tan
θ
exactly.
Browse the problem library