what is the solution to cos^2 1/2x = 1? I can't seem to be able to plug this into the calculator
(cosx2)2=10=1−(cosx2)2(sinx2)2=0sinx2=0x2=nπn∈Z$(Nisaninteger)$x=2nπ
I just realised that the question in your title is different from your question in your post
This is how you have to do it with the calculator here:
Enter it like so: (Note: Use your keyboard to put the = sign into the equation. Don't press the = sign on the calculator until after you have entered the whole equation.)
Press Enter or the = sign and you get the following output:
.