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(x)cos(3x)=sin(x)sin(3x) ?
- The general solution for cos(x)cos(3x)=sin(x)sin(3x) is x= pi/8+(pin)/2 ,x=(3pi)/8+(pin)/2