1. ( x6)2 ( y+ 1)2 + =1 9 49 a) Is the major axis horizontal or vertical? b) Find the exact values of the foci of the elipse. 2. Let u= 4,16 v = 8,2 a)calculate the product of uv b) Determine the angle between of degree. uv and round the result to the nearest 3. Prove the identity: x cos xsin 1 4. Suppose that sin = 5 13 and that is a Quadrant II angle. a) find the exact value of cos . b) Find the exact value of sin (2 ). 2 5. Letf(x)=7x +5 and g(x)=x-2. a) find the composite function ( b) find ( f g (x) and simplify. f g (1) . 6. Find the exact solutions and simplify as much as possible: 2x2 = 4x + 7