So, the ratio of the sine will be.Example 2
Whatare and in the trianglebelow?All you haveto do to find the solutionis buildthe ratio carefully.So, and.The CosineRatio
The next ratio to examineis calledthecosine. The cosineis the ratio of the adjacentside of an angleto
the hypotenuse.Use the sametechniquesyou usedto find sinesto find cosines.
Example 3
Whatare the cosinesof and in the trianglebelow?