Asked by Sarah
Prove (sin4x)/(1-cos4x) = cotx - 1/2(cscxsecx)
Please help me get started on this question... I'm at a lost as for what to do first....
Please help me get started on this question... I'm at a lost as for what to do first....
Answers
Answered by
Steve
sin4x/(1-cos4x)
(2 sin2x cos2x)/(2sin^2 2x)
cos2x/sin2x
(2cos^2 x - 1)/(2sinx cosx)
cosx/sinx - 1/(2sinx cosx)
cotx - 1/2 cscx secx
(2 sin2x cos2x)/(2sin^2 2x)
cos2x/sin2x
(2cos^2 x - 1)/(2sinx cosx)
cosx/sinx - 1/(2sinx cosx)
cotx - 1/2 cscx secx
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.