ttmarkstt
ttmarkstt ttmarkstt
  • 20-05-2018
  • Mathematics
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sqdancefan
sqdancefan sqdancefan
  • 22-05-2018
At θ = 90°, the equation must evaluate to zero. The only one that does that is the 1st choice ...
  r = 2 - 2sin(θ)
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