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Mathematics 9 Online
OpenStudy (anonymous):

Okay some calculator help please! I'm trying to graph a limacon (r = 2+4sinθ) but instead I'm ending up with an ancient Aztec sun goddess?! What setting could I possibly have wrong? I have a TI-84.

OpenStudy (anonymous):

Apparently it must be set to degree (not radian). Wow that was crazy!

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