This week we learned the law of sines and the law of cosines. In trigonometric, the law of sines is an equation relating the lengths of the sides of any shaped triangle to the sines to its angles. According to the law, a/sine A=b/sine B=c/sine C, where a,b, and c are the lengths of the sides of a triangle, and A, B, C are the opposite angles. Law of cosines is an equation relates the lengths of the sides of a triangle to the cosine of one of its angles. The law of cosines generalize the Pythagorean theorem, which holds only for right angles.
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