Apply trigonometry to general triangles9. (+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxillary line from a vertex perpendicular to the opposite side.
Apply trigonometry to general triangles9. (+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxillary line from a vertex perpendicular to the opposite side.