anonymous
  • anonymous
Another question on if I'm typing this correctly in my calculator?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
I have this problem, |dw:1360536452449:dw|
anonymous
  • anonymous
But I entered in my calculator as, 2/3cos((x+)pi/3)) & it says error.
anonymous
  • anonymous
check the (x+)

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anonymous
  • anonymous
What do you mean?
anonymous
  • anonymous
you can't have + inside the parenthesis
jim_thompson5910
  • jim_thompson5910
type this instead (2/3)*cos(x + pi/3)
anonymous
  • anonymous
I did that & then graphed it but it came out a straight line
jim_thompson5910
  • jim_thompson5910
odd...try replacing pi with 3.14 and see what happens
jim_thompson5910
  • jim_thompson5910
it sounds like you have the x outside of the cosine, which would explain why you're seeing a straight line
anonymous
  • anonymous
Ah, I had it in degrees instead of radian. Once again another simple mistake haha
jim_thompson5910
  • jim_thompson5910
oh that would do it lol
anonymous
  • anonymous
I forget to change my settings every now & then oops. But thanks again Jim.!
jim_thompson5910
  • jim_thompson5910
happens to me all the time, makes me wish there was a way to know which mode it was in
jim_thompson5910
  • jim_thompson5910
yw
anonymous
  • anonymous
Same, if only ti would make it where it displays the mode at the top some where.
jim_thompson5910
  • jim_thompson5910
yeah exactly what I was thinking

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