Posted by Tom on Tuesday, March 9, 2010 at 7:21pm.
cos(4pi/3) = - 1/2
sin(4pi/3) = - √3/2
so
2(cos(4pi/3) + isin(4pi/3)) = -1/2 - (√3/2)i
here is a nice page for this topic
http://www.allaboutcircuits.com/vol_2/chpt_2/5.html
Related Questions
Pre Cal---Fix to the question below - Let P be the point on the unit circle U ...
Calculus - Determine the polar form of the complex number 3 - 2i. Express the ...
maths - Please can you help me with this question? Choose the option which is a ...
Pre-Cal(Please check) - 1) Find all the solutions of the equation in the ...
Pre-Cal(Please check) - 1) Find all the solutions of the equation in the ...
5th GRADE MATH - Jamie is forming a cylinder out of two circles and a rectangle...
Pre Cal. - Express 5sqrt(3) - 5i in polar form. A: 10(cos(11pi/6) + i sin(11pi/6...
Precalc - Represent the complex number graphically and find the standard form of...
Astronomy - In the equation 4pi^2/G/p^2 times a^3, what is the value of 4pi^2? ...
Calculus II - What is sin(i) -- (sin of the imaginary number, i) What is cos(i...
For Further Reading
