Complex numbers (1 Viewer)

[sunmoonlight]

How do you do 14a and b?

 

[SadCeliac]

 

[SadCeliac]

Bit messy oops


edit for clarity: in the third last line, I multiply the numerator by -i^2 (which equals 1), but write it as -i*i(2sin^2-2i*sincos), which I cancel into -i(2i*sin^2 + 2sincos)
just ignore the arrow lol

 

[synthesisFR]

View attachment 39903
Bit messy oops


edit for clarity: in the third last line, I multiply the numerator by -i^2 (which equals 1), but write it as -i*i(2sin^2-2i*sincos), which I cancel into -i(2i*sin^2 + 2sincos)
just ignore the arrow lol

Why’d u make it so complicated lmfao

 

[SadCeliac]

Why’d u make it so complicated lmfao View attachment 39905

Bro I'm a dummy okay
Not everyone does as many Chem papers as you

 

[its_ace21]

Bro I'm a dummy okay

i agree

 

[synthesisFR]

Bro I'm a dummy okay
Not everyone does as many Chem papers as you

This is math not chem

 

[SadCeliac]

This is math not chem

I kNOw

 

[synthesisFR]

I kNOw

Dw what u did was kinda smart too working with all that mess

 

[SadCeliac]

Dw what u did was kinda smart too working with all that mess

Yeah I figured you had to keep in terms of sin and cos lol

 

[scaryshark09]

Why’d u make it so complicated lmfao View attachment 39905

lol i had similar question in my trial and i feel so stupid for not doing this

 

[synthesisFR]

lol i had similar question in my trial and i feel so stupid for not doing this

Did u do what celiac did
As long as u get it right who cares

 

[nsw..wollongong]

who tf writes in green

 

[scaryshark09]

Did u do what celiac did
As long as u get it right who cares

yeh i did, but it took a while, and could have used time to get marks elsewhere.
i did it while the lights went out for like 5 mins anyway so idc