# Thread: Complex number help please

1. ## Complex number help please-THREAD MOVED SEE LINK

Draw the points A : i
and the point B: (1/(20.5)) + (1/(20.5))i on a argand digram and hence find the argument of A+B i drew it but i am clueles

Thread moved to complex numbers help please

2. ## Re: Complex number help please

If $(x, y)$ represents $x + iy$, then the arugment is $\theta$ such that $\tan{\theta} = \frac{y}{x}$ and $0 \le \theta \le 2\pi$