# Law of cosines

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## Trigonometry

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The Secondary Classroom can be fun too.....: Triangle Interactive Notes - Law of Sines/Cosines/Heron's

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FREE Builds understanding of the Law of Sines and the Law of Cosines for Algebra 2 Honors, PreCalculus, Trigonometry, and College Algebra students by providing concentrated practice.Students will complete 11 questions related to mastery of the Law of Sines, the Law of Cosines, Herons Formula, and practical applications related to these concepts of upper level mathematics courses. 10-12

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Architecture: Law of Sines and Law of Cosines -- Why use them? - YouTube

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Neat way to add some variety to a trig class - Law of Sines & Law of Cosines - The kids punch holes through each answer while the page is folded, then when they unfold it and lay the paper over one of the "check pages," they can see any mistakes showing through! This spices up Trigonometry / Pre-Calc practice time just a bit!

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This self-checking maze has 11 problems involving the law of sines and the law of cosines. Students will be required to use both to solve for angles and sides of triangles. Answer key is included for easy checking.

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I Hope This Old Train Breaks Down...: Learning Laws of Sines and Cosines the Hard Way

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The Secondary Classroom can be fun too.....: Triangle Interactive Notes - Law of Sines/Cosines/Heron's

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Engage your trig or pre-cal students with eleven well-written, interesting, thought-provoking, real-world questions. Students must use their knowledge of right-angle trig (SOH-CAH-TOA), law of sines, and law of cosines in order to solve these problems.

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Right Triangles Unit - The Laws of Cosines & Sines Notes, Practice & Riddle Mini-BundleIn this Money-Saving Mini-Bundle you will get:1) The Law of Sines Notes and Practice.2) The Law of Cosines Notes and Practice.3) The Law of Sines Riddle Practice Worksheet.4) The Law of Cosines Riddle Practice Worksheet.Each set of notes includes teacher notes (with an answer key), student notes and a homework assignment (with an answer key).Each riddle includes 12 questions where students are...

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Love this Law of Sines and Law of Cosines Maze! My Geometry students would like this worksheet / activity. G.9A Determine the lengths of sides and measures of angles in a right triangle by applying the trigonometric ratios sine, cosine, and tangent to solve problems.

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