Posted by **Peter** on Monday, July 25, 2011 at 2:26am.

Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115

Find z2^6

## Answer this Question

## Related Questions

- Pre-Calc - Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let...
- please - Given tan Θ = - 8/5 and sin Θ < 0, find sin Θ, cos &#...
- math-Trig - 1. Write the algebraic expression which shows Cos((ArcSin(4/X)), 2...
- Math-Trig - Trig Questions- 1. Write the algebraic expression which shows Cos((...
- complex numbers - 115 cis 45* 3 solutions = 120* apart Are these correct? 115 ...
- Trig - Identies/equation, please help! - 2Sin(Θ+47°)=1 ΘЄ[0°, ...
- complex numbers! - -2-2i in polar form = 2.8 cis 2.35?? -3+4i polar form = 5 cis...
- Trigonometry - 1. Find the exact value of the following (Think identity) Cos(2 ...
- math - Solve the following equations giving any roots in terms of pi in the...
- TRIGONOMETRY HELP - Prove that: cosēΘ - sinēΘ = 2cosēΘ - 1