Professor Dave Explains
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The Law of Cosines
Posted
February 5, 2018
Views
255,346
Likes
3,705
Comments
157
Engagement
1.51%
February 5, 2018
255,346
3,705
157
1.51%
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4:38Now PlayingThe law of sines helped us solve for all the sides and angles in SAA, ASA, and SSA triangles, but now we have to learn the law of cosines if we want to solve for SAS and SSS triangles. This one is kind of like the pythagorean theorem, just for oblique triangles instead of right triangles, so it has trig functions in it. Let's check it out!
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