Effective value of complex waveforms?

[teh_cookie]

how do you determine the effective value for complex waveforms that have different omegas such as 3cos(4t)+4sin(3t)?

 

[jsgruszynski]

how do you determine the effective value for complex waveforms that have different omegas such as 3cos(4t)+4sin(3t)?

Effective voltage, for example?

Go back to the original definition: average voltage. Hint: this is what calculus is for.