Exponential Form Complex Number (1 Viewer)

[frog1944]

Hi,

For the HSC are you allowed to express/utlise that e^(i \theta) = \cos(\theta) + i \sin(\theta)?
Or do you have to do everything in polar and rectangular form?

Thanks

 

[leehuan]

No.

You use the cis notation in the HSC. Equivalent to e^i

 

[frog1944]

Ok, thanks