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#1. Solve cosx) = 1 on the interval 0 S x S 211'. Show all work including diagrams of special triangles. #2. Find the exact value of the following expression using a comgund angle formula (ie. addition or subtraction}. Show all your work with diagrams. 191: COS 12 #3. Evaluate, without the use of the logarithm key on your calculator. DO NOT change the logarithms to a base of 10. Use the laws of logarithms that were taught in this course. 3105;\" 2 + log,1 128