# Subtracting complex in polar

Given w =√2(cosine (p/4) + i sine (pi/4) ) and

z = 2 (cosine (pi/2) + i sine (pi/2) ),

what is w - z expressed in polar form?

z = 2 (cosine (pi/2) + i sine (pi/2) ),

what is w - z expressed in polar form?

### Correct answer:

**Showing 1 comment:**

**Dr Math**

please checkout our complex number / imaginary numbers calculator:

https://www.hackmath.net/en/calculator/complex-number?input=sqrt%282%29%2A%20%28cos%20%28pi%2F4%29%20%2B%20i%2A%20sin%20%28pi%2F4%29%20%29%20-%202%2A%28cos%20%28pi%2F2%29%20%2B%20i%2A%20sin%20%28pi%2F2%29%29

https://www.hackmath.net/en/calculator/complex-number?input=sqrt%282%29%2A%20%28cos%20%28pi%2F4%29%20%2B%20i%2A%20sin%20%28pi%2F4%29%20%29%20-%202%2A%28cos%20%28pi%2F2%29%20%2B%20i%2A%20sin%20%28pi%2F2%29%29

Tips to related online calculators

Try our complex numbers calculator.

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Linear combination of complex

If z1=5+3i and z2=4-2i, write the following in the form a+bi a) 4z1+6z2 b) z1*z2 - Turtles 2

A box turtle hibernates in the sand at 11 5/8. A spotted turtle hibernates at 11 16/25 feet. Which turtle is deeper? Write answer as number 1 or 2. - Standard deviation

Find standard deviation for dataset (grouped data): Age (years) No. Of Persons 0-10 15 10-20 15 20-30 23 30-40 22 40-50 25 50-60 10 60-70 5 70-80 10 - Statistical XY file

Year; money spent on advertising; profit (three values each row) 2008 2 12 2009 5 20 2010 7 25 2011 11 26 2012 15 40 1. draw a scatter diagram depicting the data. 2. calculate the Pearson's correlation coefficient. 3. determine the linear regression equat - Simplify 3

Simplify mixed numerals expression: 8 1/4- 3 2/5 - (2 1/3 - 1/4) Show your solution. - Complaints

The table is given: days complaints 0-4 2 5-9 4 10-14 8 15-19 6 20-24 4 25-29 3 30-34 3 1.1 What percentage of complaints were resolved within 2weeks? 1.2 calculate the mean number of days to resolve these complaints. 1.3 calculate the modal number of day - Normal distribution GPA

The average GPA is 2.78 with a standard deviation of 4.5. What are students in the bottom the 20% having what GPA? - Mixed numbers

Rewrite mixed numbers, so the fractions have the same denominator: 5 1/5 - 2 2/3 - Eq2 2

Solve following equation with quadratic members and rational function: (x^{2}+1)/(x-4) + (x^{2}-1)/(x+3) = 23 - Box and whisker plot

Construct a box and whisker plot for the given data. 56, 32, 54, 32, 23, 67, 23, 45, 12, 32, 34, 24, 36, 47, 19, 43 - Two forces

The two forces F1 = 580N and F2 = 630N, have an angle of 59 degrees. Calculate their resultant force, F. - Boats

Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have? - Emily

Emily had 20 minutes to do a three-problem quiz. She spent 11 3/4 minutes on question A and 5 1/2 minutes on question B. How much time did she have left for question C? - Std-deviation

Calculate standard deviation for file: 63,65,68,69,69,72,75,76,77,79,79,80,82,83,84,88,90 - Sum of fractions

What is the sum of 2/3+3/5? - Moivre 2

Find the cube roots of 125(cos 288° + i sin 288°). - Evaluate 5

Evaluate expression x^{2}−7x+12x−4 when x=−1