cos(exp(r*cos(theta)))*sin(theta) + cos(exp(r*sin(theta)))*cos(theta) - r*exp(r*cos(theta))*sin(exp(r*cos(theta)))*cos(theta)*sin(theta) - r*exp(r*sin(theta))*sin(exp(r*sin(theta)))*cos(theta)*sin(theta)


뒤지게 기노