WBJEE 2016 Math Solved Paper

© examsiri.com

Question : 73 of 75

Marks: +1, -0

If z = sin θ - i cos θ then for any integer n,

zn+
1
zn
= 2cos(
nπ
2
−nθ)
zn+
1
zn
= 2sin(
nπ
2
−nθ)
zn+
1
zn
= 2isin(nθ−
nπ
2
)
zn+
1
zn
= 2isin(
nπ
2
−nθ)

Go to Question:

Prev Question

Next Question