anonymous
  • anonymous
help @valentinekid
Geometry
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
39 loser123456789 0A slide 4.1 meters long makes an angle of 35° with the ground. To the nearest tenth of a meter, how far above the ground is the top of the slide?
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anonymous
  • anonymous
So which Trig function should we use? Remember Sin=opposite/hypotenuse cos=adjacent/hypotenuse tan=opposite/adjacent
anonymous
  • anonymous
cos?

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anonymous
  • anonymous
well x is opposite our angle and we know the hypotenuse...
anonymous
  • anonymous
sin
anonymous
  • anonymous
Exactly. Any guess as to how to setup the problem from there? sin(angle)=opp/hyp
anonymous
  • anonymous
sin(35)=x/4.1
anonymous
  • anonymous
BOOM! You got this! haha now just isolate x by multiplying both sides by what?
anonymous
  • anonymous
x/1
anonymous
  • anonymous
Let's multiply both sides by 4.1 and see what happens.
anonymous
  • anonymous
4.1*sin(35)=x
anonymous
  • anonymous
That's all there is to it. Trig isn't so bad, is it? ;)
anonymous
  • anonymous
is that the final answer or is there more simplifying
anonymous
  • anonymous
That's it. Remember though if you're asked to give an actual number instead of 4.1*cos(35) plug it in to your calculator.
anonymous
  • anonymous
thank you so much
anonymous
  • anonymous
Yeah, no worries! Best of luck. :)

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