SOLUTION: Find z_1z_2 in polar form. z_1 = 4 cis(110°); z

SOLUTION: Find z_1z_2 in polar form. z_1 = 4 cis(110°); z_2 = 1/3cis(70°)

Question 1204882: Find z_1z_2 in polar form.
z_1 = 4 cis(110°); z_2 = 1/3cis(70°)
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

To multiply complex numbers in form, multiply the magnitudes and add the angles.

Then polar form is just (magnitude,angle) = (4/3,180) or (4/3,pi).

RELATED QUESTIONS
If z = -1 - i, find z^10 in polar... (answered by MathLover1)

Consider {{{z^5-i=0}}} By finding the roots in cis{{{theta}}} form, and using... (answered by MathLover1,ikleyn)

z = [1, theta ] , find (z + z ^(10))/(z - z ^(10)) by Polar form [ r , theta... (answered by ikleyn)

If z = icot(theata), show that (z+1)/(z-1)=... (answered by kev82)

Solve for z:... (answered by Seutip)

Please help me with this! If: z=4(cos 50 degrees + i sin 50 degrees) and w=2(cos 340... (answered by Edwin McCravy)

find z/w and leave your answer in polar form. z=1+i and... (answered by stanbon)

Find polar forms for zw, z/w, and 1/z by first putting z and w into polar form. z = 27(3 (answered by CPhill,ikleyn)