Math Project Part 2

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  • 8
  • X
  • I have to figure out how far away from this dog I am!! I better figure it out using tangent. 
  • 31°
  • Tan(31) = 8/x, then I have to multiply by x on both sides, and after I will have to divide by Tan(31). After doing this, I come to the fact that my dog is 13.3 Inches away. 
  • Pet Store
  • I love Gerald. I wish that I could just walk with him forever!!
  • Ruff Ruff
  • Inverse Tangent
  • 7
  • I don't want to go get the ball, I hope Gerald gets it. But just in case, let me figure out what angle I'd have to walk to get it the fastest. I'll use inverse tangent to do it!
  • 15
  • Tan(x) = 15/7, so Tan(-1) = 15/7. This equals 65°, so I will have to walk at a 65° angle to get to the ball the fastest. 
  • Sin(x) = 100/137. which means that Sin(-1) = 100/137. This means that the angle is 46.9°.  
  • Inverse Sine
  • X°
  • 100
  • 137
  • Wow, that's a really big house, I wonder what the angle from the top to the bottom is. I think I'm going to have to use my trigonometry skills of Inverse Sine to find out. 
  • Ruff Ruff!!
  • I'm so excited to take my brand new dog Gerald home!!
  • Sin(37)/x = Sin(23)/15, next I would Than I would cross multiply by the bottom numbers, making it 15(Sin(37)) & X(Sin(23)), making you divide by Sin(23) & the finl result would be that the car is 23 at a diagonal. 
  • 21
  • 15
  • X°
  • 37°
  • Inverse Cosine
  • X
  • 38
  • Now I just have to get into the garage. Let me make sure that I'm going to fit. I need to measure the garage and my car. I'm going to use the law of sines and inverse cosine to find it! 
  • Law of Sines
  • 23°
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