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Monday, March 24, 2008

Trigonometry 101 Basics LAW of COSINES

Law of cosines


The law of cosines (also known as the cosine formula, or the "cos rule") is an extension of the Pythagorean theorem to arbitrary triangles:

or equivalently:

I thought it was easy, my dad told me about rounding off numbers so i responded and did such thing.

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