Math 112 ( Quiz 8 Name_________________________________ SHOW ALL WORK Pick THREE of the following four problems to solve. 1) Simplify 1 − sin x + cos x ( ) 2 sin x + sin x completely. (7 points) 2) The Expression 4 2 + cos x − cos x 2 sec x + cos x sec x 1 + cos x + tan x cot x can be expressed in the form A − cos x B + cos x . Determine A and B. Hint: break it up into several “chunks” and simplify each of them separately. (7 points)