Last edited by mr fantastic; April 9th 2010 at 01:15 AM.
Reason: Changed post title
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Notice that this is in the third quadrant.
Its length is .
The angle is in the third quadrant.
So it's calculated as .
First you need to convert to polars. .
Notice that the angle is in the fourth quadrant.
So it's calculated by .
thanks but why you wrote ( cis ) no e
Last edited by r-soy; April 8th 2010 at 01:23 PM.
is just a shorthand way of writing .
As we know, .
So I could have written , I just prefer using the notation, as I find it easier to convert between polars and cartesians.
Hi prove it
I want ask you if your answers are completed
I mean if there any answer after your solving
Yes, the solutions are complete with answers.
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