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- Was probably invented for nautical navigation
- Origins can be traced to ancient Egypt
- First recorded use came from Hipparchus
- Ptolemy further developed trigonometric calculations
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Trigonometry is also known as "trig". It is a branch of mathematics that explores triangles and the relationships of sides and degrees.
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Glossary
- Triangle: Polygon with 3 sides and 3 angles
- Right Angle: Angle that measures 90 degrees or one half of a Pi radian
- Right Triangle: A triangle with one right angle
- Hypotenuse: The side of a triangle that is directly opposite of the right angle
- Pythagorean Theorem: States that the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right triangle
- Trigonometric Functions: Sine, Cosine, Tangent, Cotangent, Secant, Cosecant
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Trigonometry Questions
I need 2 methods,at least, for solving this expression: sin 15 + sin 75! 2 AnswersOne is to just calculate the sin of each - you might need to use the formulas for half angle (15 degrees is half of 30, sin30= .5) Another is to note that the s... read more
Who invented trigonometry and how could they justify it? 1 Answer"Development of Trigonometry is not the work of any one man or nation. Its history spans thousands of years and has touched every major civilization. It first o... read more
Schoolwork is not fun... when will I EVER use trigonometry in real life? 4 AnswersAlmost never unless you choice a profession that uses a lot of math. read more
hi all..i need some trigonometry questions for practicing for SAT...thanx for your help... 2 AnswersHeyyyy, why don't search online for the practice questions. My sister was preparing for her SAT and she found the following sites helpful. www.sat-preparation... read more
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Trigonometry News
- Google News: Trigonometry
Uses of Trigonometry
- Wikipedia: Uses of Trigonometry
- Math Careers: What's the Use of Trigonometry?
- Algebra for the Athletes.com: Land Surveyors & Trigonometry
- U.S. Department of Energy: Careers & Trigonometry
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@alandavies1 If I had a good joke, I'd tell you it. Unfortunately, all I can think of is a maths chat up line involving trigonometry...
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Found Loney's trigonometry after a long search. It is going to be of some use tonight after almost 7 years!
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Sen Whitehouse looks like my HS trigonometry teacher.
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Doing calc hw....trigonometry :):).
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@Lily_Boo09 well trigonometry i guess.lol. go one. do u hav a YT?
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