State the form of the law of cosines used to solve a triangle for which all three sides are given (SSS).

postillan4 2020-12-24 Answered
State the form of the law of cosines used to solve a triangle for which all three sides are given (SSS).
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Expert Answer

Viktor Wiley
Answered 2020-12-25 Author has 84 answers

There are basically three laws of the cosine which are given as follows,
a2=b2+c22bcosA
b2=a2+c22acosB
c2=a2+b22abcosC
Refer the figure for the indication of the angles and sides.

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