- #1
noamriemer
- 50
- 0
Hello again!
Facing some problems (my exam is taking place tomorrow... help is needed. Many thanks in advance!)
I need to find an approximation for a retarded time. I don't understand how. This is what my lecturer wrote: [itex]sin(\varphi-\omega t)=exp(i\varphi'-i\omega(t-r/c)-i\omega(r'cos\theta cos\theta'+r'sin\theta sin\theta'cos(\varphi-\varphi'))/c [/itex]
Could you please explain how ?
Thank you!
Facing some problems (my exam is taking place tomorrow... help is needed. Many thanks in advance!)
I need to find an approximation for a retarded time. I don't understand how. This is what my lecturer wrote: [itex]sin(\varphi-\omega t)=exp(i\varphi'-i\omega(t-r/c)-i\omega(r'cos\theta cos\theta'+r'sin\theta sin\theta'cos(\varphi-\varphi'))/c [/itex]
Could you please explain how ?
Thank you!