anonymous
  • anonymous
Can someone please check my answers and give me feedback? I'm not completely sure about this. Thanks in advance! :) https://i.imgur.com/45PtWqo.png
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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DanJS
  • DanJS
any point on that unit circle (x,y) = (cos(t), sin(t))
DanJS
  • DanJS
since the hypotenuse is 1
DanJS
  • DanJS
Why did you make cos(t) negative?

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DanJS
  • DanJS
you did all the work right, just use cos(t) as a positive value instead
DanJS
  • DanJS
the x coordinate of P is +
anonymous
  • anonymous
Thanks @DanJS! I corrected cos(t) to 15/17. Is that the only thing that I need to change?
jim_thompson5910
  • jim_thompson5910
hint: tangent = sine/cosine
anonymous
  • anonymous
Wait, so would tan(t) be 8/15 then? @jim_thompson5910
jim_thompson5910
  • jim_thompson5910
tangent is positive, yes
jim_thompson5910
  • jim_thompson5910
cos is positive ---> sec is positive tan is positive ---> cot is positive
jim_thompson5910
  • jim_thompson5910
the reciprocal identities have the same sign together
jim_thompson5910
  • jim_thompson5910
in a nutshell, everything is positive in Q1
DanJS
  • DanJS
+++!
anonymous
  • anonymous
I removed all the negatives and made them all positives, so I think I should be good. I think I may have misread something and thought one of the points was negative. Thanks for the help! :D
jim_thompson5910
  • jim_thompson5910
no problem
DanJS
  • DanJS
welcome

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