If z1=r1eitheta1z_1 = r_1 e^{i\\theta_1}z1=r1eitheta1 and z2=r2eitheta2z_2 = r_2 e^{i\\theta_2}z2=r2eitheta2, what is textarg(z1/z2)\\text{arg}(z_1/z_2)textarg(z1/z2)?
theta1+theta2\\theta_1 + \\theta_2theta1+theta2
theta1−theta2\\theta_1 - \\theta_2theta1−theta2
theta1/theta2\\theta_1 / \\theta_2theta1/theta2
theta1theta2\\theta_1 \\theta_2theta1theta2