Convert z=−1+iz = -1 + iz=−1+i to polar form.
2(cos3π4+isin3π4)\sqrt{2}(\cos \frac{3\pi}{4} + i \sin \frac{3\pi}{4})2(cos43π+isin43π)
2(cosπ4+isinπ4)\sqrt{2}(\cos \frac{\pi}{4} + i \sin \frac{\pi}{4})2(cos4π+isin4π)
2(cos3π4+isin3π4)2(\cos \frac{3\pi}{4} + i \sin \frac{3\pi}{4})2(cos43π+isin43π)
2(cos5π4+isin5π4)\sqrt{2}(\cos \frac{5\pi}{4} + i \sin \frac{5\pi}{4})2(cos45π+isin45π)