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April 13th, 2012, 09:51 AM   #1
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Polar to Cartesian Coordinate Conversion Help

Convert the following point from a polar to cartesian coordinate.



=





= =



My answer:



However this is wrong. Where did I screw up?
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April 13th, 2012, 10:32 AM   #2
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Re: Polar to Cartesian Coordinate Conversion Help

Hello, swm06!

Quote:










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April 13th, 2012, 10:34 AM   #3
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Re: Polar to Cartesian Coordinate Conversion Help

Quote:
Originally Posted by swm06
Convert the following point from a polar to cartesian coordinate.



=





= =



My answer:



However this is wrong. Where did I screw up?
Hi swm06,

You missed a sign when you found your x-coordinate. is negative. When you multiply by -1, it becomes positive.



That will make

You should rationalize your denominators in the end to arrive at

[color=#FF0000]A couple of minutes too slow for Soroban![/color]
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