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Law of Sines and Cosines & Area of Triangles
Math Comic #332B - "Law of Cosines" (9-28-18)
When given angles and/or sides of a triangle, you can find the remaining angles and side lengths by using the Law of Cosines and Law of Sines. The following are notes, examples, and a practice test (and solutions!)
Click to select larger image.
Right click to view or save to desktop.
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Download Free Complete Law of Sines, Law of Cosines & Area .pdf file
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Connections
Are you preparing for the ACT or SAT? Looking to improve your test scores? Download practice math questions!
Easy to use online law of sines and law of cosines calculators and formulas from calculatorsoup.com
Free law of sines & law of cosines worksheets (with answers) from kutasoftware.com
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Information
- trigonometry functions
- interior angles and sides of a triangle
- "ambiguous case" - law of sines
- vectors
- Word Problems and applications
- Navigation and surveyor
- Area of Triangle
- Heron's formula
- semiperimeter
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Area of Triangle
(1/2)ab(sinC)
Heron's Formula
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