GEOMETRY A trough for feeding cattle is 4 meters long and its cross sections are isosceles triangles with the two equal sides being meter (see figure). The angle between the two sides is

MAC 1114 Analytic Trigonometry 2/2/16 notes 8. Rewrite an equivalent expression (HINT: use reference angles) 2 a) tan (7pi/9) Step 1: Draw/ locate angle