Posted by **Lucy** on Tuesday, September 2, 2008 at 4:09pm.

Express 5-2i in polar form. Express your answer in radians to the nearest hundreth.

r=sqrt5^2+-2i^2 which equals sqrt21.Arctan of -2/5+pi equals -18.7

Polar form=sqrt21 cis -18.7

Is this correct??

## Answer this Question

## Related Questions

- Pre-Calculus-check answers - Express 5-2i in polar form. Express your answer in ...
- Pre-Calculus-check answers - Express 5-2i in polar form. Express your answer in ...
- complex numbers! - -2-2i in polar form = 2.8 cis 2.35?? -3+4i polar form = 5 cis...
- Pre-calculus; urgent ! Please help ! - 1.Graph the polar equation r=3-2sin(theta...
- Pre Cal. - Express 5sqrt(3) - 5i in polar form. A: 10(cos(11pi/6) + i sin(11pi/6...
- Pre-Calculus - I need help-I do not understand. The question is this: Write 2x+y...
- pre-calculus - convert the numbers to polar form and then divide.leave the ...
- Pre-Calculus - Express the complex number in polar form. 5-12i
- Calculus please help ! - 1.Graph the polar equation r=3-2sin(theta) 2. Find the ...
- Pre-Calculus - Please check my answer: I think it's correct? 1.Find polar form ...