a. Let z 3 3i 1    and z 1 3i 2    Find 1 2 z z and 1 2 z / z . Give your answer in Cartesian form z  x  iy. b.

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a. Let z 3 3i 1    and z 1 3i 2    Find 1 2 z z and 1 2 z
/ z . Give your answer in Cartesian form z  x  iy. b. Show that r
 4cos and ( 2) 4 2 2 x   y  are equations for the same circle.
a. Find all solutions to the following equations for 0  x  2 i.
2cos xsin x cos x  0 ii. 3sin 4 5 2 x  