Problema Solution

The acute triangle ABC is inscribed in a circle of radius 3. If BC = 2,

compute sin BAC.

Answer provided by our tutors

The acute triangle ABC is inscribed in a circle of radius 3. If BC = 2,

compute sin BAC.

Solution:

BC/sinBAC = 2r

sin BAC = BC/2r = 2/(3*2)=1/3

So sin BAC = 1/3