vera_ewing
  • vera_ewing
Math question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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vera_ewing
  • vera_ewing
freckles
  • freckles
you can use unit circle
freckles
  • freckles
3pi/4 is in what quadrant?

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freckles
  • freckles
hint: 3/4 is between 1/2 and 1
freckles
  • freckles
so 3pi/4 is between pi/2 and pi
freckles
  • freckles
so notice the signs of both cos and sin there
freckles
  • freckles
cos is the x-coordinates sin is the y-coordinates what is the sign of the x-coordinates in that quadrant?
freckles
  • freckles
the answer choices I'm looking for: positive (+) or negative (-)
freckles
  • freckles
is the x-coordinates in the 2nd quadrant positive or negative?
freckles
  • freckles
hmmm... maybe you aren't there I will ask a summary of what I want to ask: is the y-coordinates in the 2nd quadrant positive or negative? is the x-coordinates in the 2nd quadrant positive or negative? now tan(theta)=y/x, so in the 2nd quadrant tan is positive or negative?

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