Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
cos
θ
=
5
13
\cos\theta = \dfrac{5}{13}
cos
θ
=
13
5
for an acute angle
θ
\theta
θ
, calculate the value of
3
sin
θ
−
2
cos
θ
3\sin\theta - 2\cos\theta
3
sin
θ
−
2
cos
θ
.
Browse the problem library