Respuesta :

Answer:

The angle for cos(A)=1/2 is 60° so with a protractor is it will be between angle 50° to angle 70°

Step-by-step explanation:

To get the angle for cos(A) with a calculator, you first go the mode and change it to degree mode and then do shift/2nd and press cos, getting the sign cos^-1 then you put the following:

cos^-1(1/2) getting 60°