Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
θ
\theta
θ
is an acute angle and
sin
θ
=
0.6
\sin\theta = 0.6
sin
θ
=
0.6
, decide whether
cos
θ
\cos\theta
cos
θ
is positive or negative. Give a brief reason for your answer.
Browse the problem library