Asked by Collins
Show that
Sin(A/2)=root(1/2(1-cosA)??
Sin(A/2)=root(1/2(1-cosA)??
Answers
Answered by
Steve
remember your double-angle formula?
cos(2x) = 1 - 2sin^2(x)
That means that
cos(x) = 1 - 2sin^2(x/2)
That should help.
cos(2x) = 1 - 2sin^2(x)
That means that
cos(x) = 1 - 2sin^2(x/2)
That should help.
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.