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 cos(2x)+2cos(x)=0 ?
- The general solution for cos(2x)+2cos(x)=0 is x=1.19606…+2pin,x=2pi-1.19606…+2pin