SOLUTION: Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
Algebra ->
Trigonometry-basics
-> SOLUTION: Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
Log On
You can put this solution on YOUR website! Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
----
Solve:
2 -4cos(x+(pi/3)) = 0
----
cos(x+(pi/3)) = 1/2
-----
x + (pi/3) = pi/3 or (pi/3)+pi or (pi/3)+2pi
-----
x = 0 or pi or 4pi
------------------------
Cheers,
Stan H.
(