quadratic formula
is p negative?
Yes
when is θ used?
to measure unknown angles
sqrt(-1)=
eiπ=
-1
x2
m=
(r+s)/2
o/h=
sin(θ)
(4+i)+(-2+2i)=
2+3i
exp(a+b)=
exp(a)+exp(b)
32+42=
52
m2+d2=m2-(id)x
x=
2
how many trigs?
6
cis(x)=
cos(x)+isin(x)
exp(-1)=
1
172+1442=
fourth key fact
d2=m2-c'
α+θ+π/2=
π
log(ab)=log(a) ㅁ log(b)
ㅁ=
+
how many steps to find exp(x) after exp(x)
2
102+676i2=
242
d=
sqrt(2)
answers may vary: 1.41421....
sin (π/6)=
0.5
(2+i)(2-i)=
5
exp(x)=
ex
62+82=
102