Back to forum
Desmos Graphing Calculator
Calc
Reference
Copy
Math
·
Geometry and Trigonometry
·
Right triangles and trigonometry
easy
If
cos
3
π
=
x
−
1
, then what is the value of
x
?
A
2
1
B
2
3
C
3
π
+
1
D
x
has two values.
If \(\cos \frac{\pi}{3} = x - 1\), then what is the value of \(x\)? | Math SAT Question | Ronan SAT