# Law of sines

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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!

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

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.

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

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

Using spaghetti and pre cut angles for law of Sines and Cosines... nice!

A Better Law of Sines/Cosines Project

Law of Sines: the ratio between the side of an angle and the side opposite to it will be constant; if you know two angles and a side, you can figure out the other two sides

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