English: So, in that case r could be written as |r|e^(iθ) that would be |r|(cosθ+isinθ) ok. And equivalently one can also define r^(*) which will be |r|e^(−iθ) this would correspond to |r|(cosθ−isinθ).
Telugu: కాబట్టి, ఆ సందర్భంలో r = |r|e^(iθ) అని వ్రాయవచ్చు అది |r|(cosθ+isinθ).