Precalc

[ocean crypt]

I need help with all of these I really dont understand them and if someone could do the work for them so that I could see it would be greatly appreciated :}

[ocean crypt]

show me the work for showing that they are equal

[lilac quail]

!noans

[keen tusk]

The purpose of this server is to help you learn, not to hand out answers. Do not ask someone to give you the answer directly.