KEAM 2010 Math Paper

© examsiri.com

Question : 68 of 120

Marks: +1, -0

If z=r(cos‌θ+i‌sin‌θ), then the value of ‌

z

−

z

+‌

z

z

is

cos‌2‌θ
2‌cos‌2‌θ
2‌cos‌θ
2‌sin‌θ
2‌sin‌2‌θ

Go to Question:

Prev Question

Next Question