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

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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Viktor Wiley

There are basically three laws of the cosine which are given as follows,
${a}^{2}={b}^{2}+{c}^{2}-2b\mathrm{cos}A$
${b}^{2}={a}^{2}+{c}^{2}-2a\mathrm{cos}B$
${c}^{2}={a}^{2}+{b}^{2}-2ab\mathrm{cos}C$
Refer the figure for the indication of the angles and sides.