This math topic focuses on converting complex numbers from polar form (modulus and argument in radians) to rectangular form. It tests the students' ability to apply the conversion formula involving trigonometric functions like sine and cosine to determine the real and imaginary components of the complex number. Each question presents a modulus and an argument for the students to convert into a complex number in standard form, presenting multiple choices for the answers. The problems gradually increase in complexity as students progress through the questions.