Asked by Steve
Cos 2x - cos 4x =.
Answers
Answered by
MathMate
use
cos(u)-cos(v) = -2sin((u+v)/2)sin((u-v)/2)
cos(u)-cos(v) = -2sin((u+v)/2)sin((u-v)/2)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.