Solve the problems below. Please answer with completely simplified exact value(s) or expression(s).
In AABC, AC = BC, CD 1 AB with D E AB, AB = 4 in., and CD = V3 in.
D E
.
Find AC.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

What is the value of the product (3-2i)(3+2i)?