Equations



media type="file" key="Laws of Sine & Cosine.m4a" width="300" height="50"


 * (Pierce) **

//The equations for Sine & Cosine are also displayed below://
 * __Laws of Sine-__ **

Sides that are opposite the of angles are noted with a lowercase letter It is true that:




 * __Laws of Cosine__ __-__ **

a²=b²+c²-2bccosA b²=a²+c²-2accosB c²=a²+b²-2abcosC


 * (Pierce) **

**//Note://** TO KNOW WHY THESE EQUATIONS ARE USED AND WHERE THEY CAME FROM PLEASE GO TO "DERIVING SINE & COSINE".