ttmarkstt
ttmarkstt
20-05-2018
Mathematics
contestada
5 Stars and Brainliest to correct answer
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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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