96 Videos for "complex numbers"

The Complex Plane  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane. 
Trigonometric Form of Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form. 
Multiplying Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form. 
Dividing Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to divide two complex numbers in trigonometric form. 
More Roots of Complex Numbers  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use four guidelines to find the fifth roots of a complex number. 
Multiplying Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to simplify a product of two complex numbers in trigonometric form. 
Finding the Roots of a Complex Number  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the cube roots of a complex number. 
More Roots of Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines. 
Finding the Roots of a Complex Number  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the fourth roots of a complex number, 16 and 16. 
Multiplying Complex Numbers  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the product of two complex numbers by converting them to trigonometric form. 
More Roots of Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use four guidelines to find the sixth roots of a complex number, and how to identify the geometric properties of the roots. 
Dividing Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to simplify a quotient of two complex numbers in trigonometric form. 
Dividing Complex Numbers  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the quotient of two complex numbers by converting them to trigonometric form. 
Finding the Roots of a Complex Number  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem and the halfangle formulas to compute the cube roots of a complex number, 7+24*i. 
Dividing Complex Numbers  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the quotient of two complex numbers in rectangular form, z1 = 6  6*i and z2 = 3 + 3*i, by converting them to trigonometric form. 
Multiplying Complex Numbers  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the product of two complex numbers in rectangular form, z1 = 3 + 3*i and z2 = 1 + i*root(3), by converting them to trigonometric form. 
More Roots of Complex Numbers  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the nth roots of unity. 
Finding the Roots of a Complex Number  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the square roots of i. 
Converting Complex Numbers From Rectangular Form to Trigonometric  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a complex number from rectangular form to trigonometric form. 
Converting Complex Numbers From Trigonometric Form to Rectangular  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a complex number from trigonometric form to rectangular form.