Subtracting complex in polar
Given w =√2(cosine (pi/4) + i sine (pi/4) ) and z = 2 (cosine (pi/2) + i sine (pi/2) ).
What is w - z expressed in polar form?
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 for related online calculators
Try our complex numbers calculator.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
arithmeticplanimetricsnumbersgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Conjugate coordinates
If the rectangular conjugate of the polar vector 12 angle 35 degrees is equal to x+yi, find the sum of x and y.
- Cplx sixth power
Let z = 2 - sqrt(3i). Find z6 and express your answer in rectangular form. if z = 2 - 2sqrt(3 i) then r = |z| = sqrt(2 ^ 2 + (- 2sqrt(3)) ^ 2) = sqrt(16) = 4 and theta = tan -2√3/2=-π/3
- Subtract polar forms
Solve the following 5.2∠58° - 1.6∠-40° and give answer in polar form
- Trigonometry
If you know that cos(γ) = sin (806°), what is the angle γ?
- Parallelogram 65334
In a parallelogram, the sum of the lengths of the sides a+b = 234. The angle subtended by the sides a and b is 60°. The diagonal size against the given angle of 60° is u=162. Calculate the sides of the parallelogram, its perimeter, and its area.
- Two triangles SSA
We can form two triangles with the given information. Use the Law of Sines to solve the triangles. A = 59°, a = 13, b = 14
- Function x*tanx
Functions: f(x)=xtanx f(x)=(e^x)/((e^x)+1) Find; i)vertical and horizontal asymptotes iii)the interval of decrease and increase iii)Local maxima and local minima iv)interval of concavity and inflection. And sketch the graph.