hello everyone....plzz solve this attachment ✌️✌️☺️✍️✍️
Attachments:
Answers
Answered by
3
eix=cosx+isinx⇒e3ix=(cosx+isinx)3⇒cos3x+isin3x=(cosx+isinx)3
Now expand the cube and equate the real and imaginary parts of both sides to get the answer.
Now expand the cube and equate the real and imaginary parts of both sides to get the answer.
pooja568:
srry but its integration
not complex no.
plzz see it one again sista
Similar questions