1. If tan a = = and n

1. 2. 3. 9 37t and TT < a < and sin = - and < < n, find the exact value of each of the If tana = - 2 following. Show all your work and simplify your answers. a) sin(a ) b) tan(a + ) Find the exact value of 1 2sin without using a calculator. Show your work. 3 IT and < 0 < 27T, find the exact value of each of the following: Given that cos 0 = a) sin 20 12 b) The quadrant in which the angle is located. 9 b) cos 2