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Mathematics 20 Online
OpenStudy (anonymous):

i gad a huge problem with sketching graphs of 2 and three variables.anyone with useful tips?

OpenStudy (anonymous):

Graph paper.

OpenStudy (anonymous):

a graph paper? then what? but it wont help because in exams we are given plane papers

OpenStudy (anonymous):

is sin^4\[\theta\]+cos^4 \[\theta\]=1

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