How do you describe algebraic quaintest using words?

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

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

The difference between the number of electoral votes for florida and north carolina is 12 votes. write and solve a subtraction equation to find a number of electoral votes for florida.