Question: electrical circuit calculations with polar coordinates

Below is a calculation with 200 Volt and 100 Ω.
The output is 1 Ampere at -45 degrees.
This is useful for electrical circuit calculations, and I can get the right result on a TI-nspire.

However I can't make maple 2015 do it. It's resembling polar coordinates but I can't seem to find any info I can understand.

"((200∠0°))/((100∠45°)+(100∠45°))=\

1∠-45°"

below is the same equation but in a picture so it can be read by humans:

http://imgur.com/3i2Su0B

 

Hopefully theres some simple comands that can help make this easy.

Thanks

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