arg（1+i）=?

Arg (1 + I) = 45 degrees

RELATED INFORMATIONS

1. The imaginary part of the complex Z is not 0. And Z ^ 3 + Z + 1 = 07? I'm sorry to repeat the title: the imaginary part of the complex Z is not zero, and the cubic power of Z + Z + 1 = 0, how to find the value range of | Z |?
2. If Z ^ 3 = 1, then Z ^ 3 + 2Z ^ 2 + 2Z + 20 =?
3. Given the complex Z. = 3 + 2I, the complex Z satisfies Z. * z = 3Z + Z. then the complex Z is equal to?
4. Given the complex Z0 = 3 + 2I, the complex Z satisfies Z + Z0 = 3Z + Z0=
5. If complex x0 = 3 + 2I and Z * Z0 = 3Z + Z0, then complex Z=
6. Given that the complex Z satisfies 3Z + | Z | = 17-9i, find the complex Z
7. Given that the complex Z satisfies the equation z2-2z + 3 = 0, then | Z|=______ ．
8. To solve the equation Z ^ 2 + 2Z + 1-I = 0 in the complex range
9. On the equation Z2 - (a + I) Z - (I + 2) = 0 (a ∈ R) of complex number Z, (1) if the equation has a real number solution, find the value of a; (2) prove with the method of counter proof that for any real number a, the original equation cannot have pure imaginary root
10. The complex Z satisfying the equation Z2 + | Z | = 0 has () A. 1 B. 2 C. 3 d. countless
11. Given Arg (- 1 + 2I) = α, find sin (2 α + 2 π / 3)
12. Arg (2I) = π why shouldn't it be = Arg (2)? The original problem is to find the expansion rate and rotation angle of W = Z ^ 2
13. Given Arg (- 2 + I) = a, Arg (- 1-3i) = B, find a + B
14. A kind of and this kind of are followed by singular or plural nouns. Please add a sentence pattern
15. No, either, neither, all, each, every, both?
16. Within of either of each of both of
17. Each, either, other, both, neither, every, any, another, all, none
18. How to use both / all / neither / none / either / each of?
19. Are arm and arms, sands, cloth and clothes countable nouns or uncountable nouns?
20. Clothes is a countable noun? give sb.some Are suggestions / imformation for or about or on sth? Skills is a countable noun After doing right? All the year round or around? Continue doing or with or to do sth To be very accurate, it is important to be accurate!