defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Complex Numbers Polar form of Complex Numbers
What is the polar form of the complex number (i15)3?
1
cos\(\rm \frac{\pi }{3}\) + i sin \(\rm \frac{\pi }{3}\)
2
cos\(\rm \frac{\pi }{2}\) + i sin \(\rm \frac{-\pi }{2}\)
3
cos\(\rm \frac{\pi }{2}\) + i sin \(\rm \frac{\pi }{2}\)
4
-cos\(\rm \frac{-\pi }{2}\) + i sin \(\rm \frac{-\pi }{2}\)