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Mathematics 17 Online
OpenStudy (anonymous):

help me about this trig problem pls

OpenStudy (anonymous):

OpenStudy (shadowlegendx):

@kohai stahp murdering kats and help dis user xD

OpenStudy (perl):

plug in a random number to see if its an identity (not a proof, but it is good evidence)

OpenStudy (anonymous):

can i use 0?

OpenStudy (primeralph):

Yeah.

OpenStudy (anonymous):

thx guys

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