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Mathematics 7 Online
OpenStudy (anonymous):

Can somebody please help me with precalc?

OpenStudy (anonymous):

mystery question?

OpenStudy (anonymous):

so this is how it works

OpenStudy (anonymous):

im working with trig functions

OpenStudy (anonymous):

i need to rewrite cos3x with only sinx and cosx

OpenStudy (anonymous):

can someone help me get started?

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