de movires theorem (1 Viewer)

[kractus]

I'm unsure how to apply de mo theorem to these questions because of the +1 in the brackets. How would you apply the theorem in this case?

 

[gamja]

from here,


(kinda confuddled by 17. tho will come back to it later )

 

[tywebb]

They seem to be from cambridge so here are the solutions.

 

[nathanzhou1234]

View attachment 37417
I'm unsure how to apply de mo theorem to these questions because of the +1 in the brackets. How would you apply the theorem in this case?

Use the double angle formula on number 17.

edit: someone already did that lol