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Chapter 9 Trig Functions Word Problems 1

Added Mar 21, 2017 •

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aren't you guys so the worksheet is homework for tonight what you don't finish his homework I guess you should have plenty of time to get started in class and then also there's a problems on the backboard for you guys to do also so this worksheet plus a couple extra problems in the book is your homework but this worksheet is just like the cogwheel a problem that we did yesterday the one where I showed you pictures from my trip to Europe until  these are just practice word problems let's talk about them I'm at the top Savory hustle me look something like this it says elevation  and angle of depression angle depression is when you're looking down so if you were to look straight and then drop your arm down and go depression is this one right here angle of elevation would be this when I hear what type of angles are those  you should be saying I'll turn it in your angle and alternate interior if they are alternate interior angles them what does that mean about them it means that they are congruent lens since they are congruent I will always always always no matter what the problem says put my angle measure there so I will always drive What triangle  right triangle and whatever angle measure they give me  it's going to go right there okay  so is where problems are pretty basic always drop it always are there sure and you should be fine they're definitely be problems like these on your test and one even extra Credit One extra hard one that we do in a minute  so the number one says the Seattle Seattle Space Needle cast a 60 turn meter Shadow is elevation from the tip of the Shadow to the top of the Space Needle is 70 how tall is the Space Needle I think it looks like okay don't judge my drawing abilities again  play some Chinese like that what's that anyways not to tell Space Needle can the shadow shuttles go on the ground like this and then we might as well connected it to make a triangle it says from the tip of the Shadow to the Shadows right here put the top of the Space Needle this one is 70° cuz you're looking up that way so it's always going to be the bottom one I don't care what the directions say always at bottom corner no matter which way you drive and the space cast a 67 M Shadow the shadow is that was down here so this is 67 meters and now in the sine cosine or tangent to find never missing information it says how tall is the Space Needle so we're trying to figure out that distance right there  and so they give 70s of from 70° what is X opposite adjacent or hypotenuse  it is opposite and what is 6 7 it's a Jason and somewhere on your paper we should have already written so if we have one you should be Saint Ann sigh of 1070 equals opposite which is x / Jus sandwiches 67 how do we get something out of the denominator nexo * 67  time 67  and I did not prepare the calculator so give me just one site what's on my calculator I'm doing 67th and 70 and that equals  x Sans Anthony and I x equals  184 it says round to the nearest meter and so that's the nurse meter rampant 184 me question in words we should answer in words so the Space Needle okay don't mind my handwriting it is 184 M tall okay I'm a stop this video make the next one

Uploaded by Lauren Stouffer.

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Chapter 9 Trig Functions Word Problems 1

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