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"Who Uses Trigonometry?"

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Abi Berg

on 6 June 2013

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Transcript of "Who Uses Trigonometry?"

"Who Uses Trigonometry?" Geographers use
that's who! Why did I choose this career? I found
Geography to be interesting while
studying it last year in school, and
now I want to learn more about it. The Application
of Trigonometry Here are some problems that geographers encounter every day that they use trigonometry and angles to help solve:
- There is a steep cliff, and they want to find out the height.
- They have found an outcropping of rock, and they need to know how high it is.

Without the knowledge of trigonometry, geographers would have to resort to measuring those pieces of earth the hard, time-consuming way: through using tools like measuring tapes. My Research Process Identify
Topic Research Organize,
& Analyze Develop it Conclude Present - Looked up
geography web sites So,
what is
Geography &
Trigonometry? Geography: ge·og·ra·phy or jēägrfē
The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these. Educational Requirements Since the two main fields of geography include cultural and physical geography, you may want to choose graduate programs that focus on one of these areas.

Physical and/or social interest in the earth

An ability to use math, particularly trigonometry would be of use http://education-portal.com/articles/Geographer%3A_Educational_Requirements_to_Start_a_Career_in_Geography.html references: $ Salary The average salary that you can expect while just starting in the field of geography is usually around $48,527. Job Availability As far as this career is concerned, jobs for geography are available in many countries. People want to learn more about the earth and its inhabitants (social science). The unemployment rate for this job is at 6.4 percent. Example
Job Posting Delcan Corporation
Environmental/Urban Planner
Delcan Corporation is a dynamic multi-disciplinary engineering firm providing systems and infrastructure solutions in three primary areas: Transportation, Water and Information Technology. Since our inception over 55 years ago, Delcan has contributed our award-winning integrated services to key projects throughout North America and in over 70 countries around the world with outstanding success.
• Land use and environmental assessments for transportation studies
• Municipal, provincial and federal permits and approvals
• Proposal preparation and report writing
• Minimum of Environmental or Urban Planning Bachelor's degree
• Excellent writing and communication skills
Compensation and Benefits Delcan offers industry competitive compensation and benefits package.
We thank all applicants for their interest, however only qualified candidates will be contacted.
An Equal Opportunity Employer. The History of Geography In the ancient world, before they had ever used the term "geography", they started making maps of the known world, and then enlarged them (over hundreds of years) when new lands were discovered. Erastothenes, a Greek, was the first to use the word "geography". The ancient Greeks considered Homer to the first geographer, as in his works "The Odyssey and the Iliad" he included a lot of geographical detail. The Greeks were the first in a long line to study geography: the Romans, Chinese, Arabs, up to today. Watch only for the first 1:30 min. Here is an example
how a geographer
could use trigonometry in order to find the
depth of a valley. Example Image procured from Google Images Trigonometry in Geography Trigonometry is very useful to geographers in multiple ways. For instance, if a land surveyor needed to know the depth of a lake or how high a certain hill was, he would use trigonometry to find the depth or height.
Example: a hill casts a shadow eight feet long at three o'clock in the afternoon. The height of said hill is twelve feet. What then would be the length of the slope?
Formula: tan = o/a
tan = 8/12
tan = 0.6666
tan = 34 degrees trig·o·nom·e·try/trignämitrē/
The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles. cos34 = a/h
cos34 = 12/x
cos34 = 0.8290
/ 0.8290 1 = 12 / x x = 14.5 meters Therefore, the length of the slope is 14.5 meters long. geography. (n.d.). The American Heritage® Science Dictionary. Retrieved October 30, 2012, from Dictionary.com website: http://dictionary.reference.com/browse/geography Baer, D. E. M., & Wenner, D. J. M. (n.d.). Trigonometry.
Retrieved from http://serc.carleton.edu/mathyouneed/trigonometry/index.html Geographer: educational requirements to start a career in geography. (2011). Retrieved from http://education-portal.com/articles/Geographer:_Educational_Requirements_to_Start_a_Career_in_Geography.html History of geography. (2012, October 30). Retrieved from http://en.wikipedia.org/wiki/History_of_geography Rate of unemployment by major. (2012).
Retrieved from http://www.studentsreview.com/unemployment_by_major.php3
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