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  • 01-10-2016
  • Mathematics
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How do you convert the rectangular coordinates (9, 0) into polar coordinates?

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caylus
caylus caylus
  • 01-10-2016
Hello,

x=r*cos t
y=r*sin t

==>r²=x²+y²  ;  r²=9²+0²=81==>r=9
y/x=tg t        ;  0=tg t==>t=2kπ we may use 0 in [-π π]  

so r=9,t=0

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