We've updated our
Privacy Policy effective December 15.
Please read our updated Privacy Policy and tap
Graph
Hide Plot »
Frequently Asked Questions (FAQ)
What is the general solution for 3cos^2(x)+4cos(x)+1=0 ?
- The general solution for 3cos^2(x)+4cos(x)+1=0 is x=1.91063…+2pin,x=-1.91063…+2pin,x=pi+2pin