THIS IS A PART 2 PLEASE HELP ASAP FIND THE ANGLE

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase