Question

which of the following equations describes law of cosines

Answer 1

Answer:

The law of consines states:

Step-by-step explanation:

c2=a2+b2-2ab. cosC. This resembles the Phythogarean Theorem except for the third term and if C is a right angle the third equal 0 because the cosine of 90° is 0 and we get the phythogarean theorem

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