anonymous
  • anonymous
Trigonometry Algebra 2 HELP !
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
The point (−3, 1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of θ?
freckles
  • freckles
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freckles
  • freckles
well you have the opp side given and the adjacent side you just need to find the hyp

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anonymous
  • anonymous
can you check my work if it's right? @freckles
anonymous
  • anonymous
sin(θ) = opposite/hypotenuse = 1/sqrt(10) cos(θ) = adjacent/hypotenuse = 3/sqrt(10) tan(θ) = opposite/adjacent = 1/3
freckles
  • freckles
here
freckles
  • freckles
two corrections...
freckles
  • freckles
the adjacent side is negative
freckles
  • freckles
opp side is positive
freckles
  • freckles
so cos is neg and tan is also neg
freckles
  • freckles
sin(θ) = opposite/hypotenuse = 1/sqrt(10) cos(θ) = adjacent/hypotenuse = -3/sqrt(10) tan(θ) = opposite/adjacent = -1/3
anonymous
  • anonymous
Ohh, because they are on the second quadrant, thanks !
freckles
  • freckles
yah

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