Question

LEVEL-2
3. Express the following complex numbers in the form r(cose + i sin e):
(i) 1 + i tan a
(ii) tan a - i
1-
(iii) 1 - sin a + i cos a (iv)
[NC
+ i sin
3
3
TT
ТС
COS​

Answer 1

Step-by-step explanation:

If you have a complex number z = r(cos(θ) + i sin(θ)) written in polar form, you can use Euler's formula to write it even more concisely in exponential form: z = re^(iθ