Asked by Ayesha Naseer

find l when theta is 60 degrees and r is 4.5cm??
Answered by Reiny
You have to be more specific.
What is l ?
Answered by oobleck
hmmm. hard to say what you want, but
(4.5,60°) translates to 4.5cis60° = 4.5*√3/2 + 4.5*1/2 i = 3.90+2.25i
Answered by Ramu Singh
Can you be more specific