| 11. | If the angle between the other sides is a right angle, the law of cosines reduces to the Pythagorean equation.
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| 12. | Also, in article pages it looks a little crammed without padding ( e . g . in Law of cosines ).
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| 13. | As in Euclidean geometry, one can use the law of cosines to determine the angles,, from the knowledge of the sides,,.
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| 14. | The teacher will never forget that day : " I was in the middle of teaching trigonometry, the law of cosines.
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| 15. | Then the law of cosines gives you cos ? = " 1 / 3, as stated in the VSEPR article.
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| 16. | If the law of cosines is used to solve for, the necessity of inverting the cosine magnifies rounding errors when is small.
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| 17. | With these functions, one can answer virtually all questions about arbitrary triangles by using the law of sines and the law of cosines.
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| 18. | At the beginning of the 19th century, modern algebraic notation allowed the law of cosines to be written in its current symbolic form.
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| 19. | A variation on the law of cosines, the second spherical law of cosines, ( also called the "'cosine rule for angles "') states:
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| 20. | A variation on the law of cosines, the second spherical law of cosines, ( also called the "'cosine rule for angles "') states:
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