Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Log[3+3*Cos[pi/2*x]], Log[6]
Log[3+3*Cos[pi/2*x]], Log[6]
Natural Language
Math Input
Extended Keyboard
