anonymous
  • anonymous
WILL MEDAL AND FAN The point​ P, (−3,4)​, on the circle x^2+y^2=r^2 that is also on the terminal side of an angle θ in standard position is given. Find the indicated trigonometric function. Find sinθ.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@LegendarySadist @Brill Think you guys can help me?
anonymous
  • anonymous
you got the radius of the circle? you need that first
anonymous
  • anonymous
I didn't, actually. How would I go around getting that?

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anonymous
  • anonymous
the worlds most famous and mother of all right triangles is 3 - 4 - 5 and that is what you have here if for some reason you don't remember or know that one, you can use \[\sqrt{3^2+4^2}\]
anonymous
  • anonymous
then the sine is the second coordinate over 5
anonymous
  • anonymous
The radius is 5, right?
anonymous
  • anonymous
And the sine is 4/5?
anonymous
  • anonymous
yes and yes

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