Cis notation
Evaluate multiplication of two complex numbers in cis notation:
(6 cis 120°)(4 cis 30°)
Write result in cis and Re-Im notation.
Result
(6 cis 120°)(4 cis 30°)
Write result in cis and Re-Im notation.
Result

Tips for related online calculators
Try our complex numbers calculator.
Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.
Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Evaluate 18
Evaluate the expression (-4-7i)-(-6-9i) and write the result in the form a+bi (Real + i* Imaginary).
- Let z1=x1+y1i
Let z1=x1+y1i and z2=x2+y2i Find: a = Im (z1z2) b = Re (z1/z2)
- ReIm notation
Let z = 6 + 5i and w = 3 - i. Compute the following and express your answer in a + bi form. w + 3z
- Moivre 2
Find the cube roots of 125(cos 288° + i sin 288°).
- Inner angles
The inner angles of the triangle are 30°, 45° and 105° and its longest side is 10 cm. Calculate the length of the shortest side, write the result in cm up to two decimal places.
- Evaluate 17
Evaluate 2x+6y when x=- 4/5 and y=1/3. Write your answer as a fraction or mixed number in the simplest form.
- Remainders
It is given a set of numbers { 170; 244; 299; 333; 351; 391; 423; 644 }. Divide this numbers by number 66 and determine set of remainders. As result write sum of this remainders.
- Radians
Convert 324° to radians. Write result as multiple of number π.
- Im>0?
Is -10i a positive number?
- Parentheses
Insert parentheses into the expression 2/3 times 5/6 + 3/4 divided by 3/5 so that a. The first operation to be performed is addition, and b. The first operation to be performed is division. In both cases, evaluate and write results.
- Evaulate
Evaluate following expression with natural numbers: 1÷(52×(2×(135−25)−1))
- 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
- Decimal to percentages
A) What is 1.18 as a percent? B) What is 0.38 in percent notation? C) Write 65% as a fraction. Simplify.
- Construction
Construct the triangle ABC, if you know: the size of the side AC is 6 cm, the size of the angle ACB is 60°, and the distance of the center of gravity T from the vertex A is 4 cm. (Sketch, analysis, notation of construction, construction)
- Fractions and mixed numerals
(a) Convert the following mixed numbers to improper fractions. i. 3 5/8 ii. 7 7/6 (b) Convert the following improper fraction to a mixed number. i. 13/4 ii. 78/5 (c) Simplify these fractions to their lowest terms. i. 36/42 ii. 27/45 2. evaluate the follow
- Bearing
A plane flew 50 km on a bearing 63°20' and the flew on a bearing 153°20' for 140km. Find the distance between the starting point and the ending point.
- The temperature 33
The temperature in Baguio City was 18.6 degree C while in Tagaytay City was 22.5 degree C. What was the estimated difference of the two cities’ temperature? A. 6 degree celcius B. 5 degree celcius C. 4 degree celcius D. 3 degree celcius