anonymous
  • anonymous
Find all solutions in the interval [0, 2π). (sin x)(cos x) = 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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IrishBoy123
  • IrishBoy123
"(sin x)(cos x) " you can make this a double angle in sin or you can just go through and work out when either sinx= or cos x = 0, because the other is always -1 < < 1 do you have a preference?
anonymous
  • anonymous
I actually have a clue with this, but I just want to make sure I was correct. I made sin x=0 and cos x=0, so my answers are 0, pi/2,pi, 3pi/2
IrishBoy123
  • IrishBoy123
what about \(2 \pi\)?

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anonymous
  • anonymous
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anonymous
  • anonymous
Oh yeah right. I was looking at my unit circle and I completely forgot to look at 360 (2pi) because it lies the same with 0 degree.
anonymous
  • anonymous
please close the question
anonymous
  • anonymous
Uhm I still don't know if I get it right?
anonymous
  • anonymous
|dw:1437947058493:dw|
anonymous
  • anonymous
insert 0,1,2,3,4 to p
anonymous
  • anonymous
SO I was right then?
IrishBoy123
  • IrishBoy123
@mathway close *your* question when you are happy to close *your* question :p you point about 0 coinciding with 2 pi is well made but i'd say that the interval is 0 to 2 pi so it would be right to list 2 pi also; though it is your prerogative well done and thanks
anonymous
  • anonymous
@IrishBoy123 This was already closed. :P
anonymous
  • anonymous
@mathway dont take this the wrong way but you're beautiful
anonymous
  • anonymous
@Zupari I don't think so, but thank you haha. You're beautiful, too!

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