Answer sin(theta/2)=1/2 i. write an equation that expresses the value of (theta/2) in terms of an appropriate inverse trigonometric expression. ii. on the interval [0, 2pi], what values of (theta/2) satisfy your equation in part i? iii. on the interval [0, 2pi], what values of theta does your answer to part ii produce? iv. write an expression for all solutions to the equation.