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Mathematics 8 Online
OpenStudy (anonymous):

Is anyone good at pre-calculous?

OpenStudy (anonymous):

lemme try

OpenStudy (agreene):

pre-calculus *

OpenStudy (anonymous):

ya sorry mispelled it

OpenStudy (agreene):

what's your question?

OpenStudy (anonymous):

Idk just wondering if anyone is good at the 2nd half of the year in pre cal?

OpenStudy (agreene):

I dont know how to respond to that.

OpenStudy (anonymous):

\[\sin *\tan =? \]

sam (.sam.):

\[\frac{\sin ^{2}x}{cosx}\]

OpenStudy (agreene):

sin (t)* tan (t)= -1/2 (cos(2t)-1) sec(t) or, if you prefer: \[-\frac{(e^{-it}-e^{it})^2}{2(e^{-it}+e^{it})}\]

OpenStudy (agreene):

or sin^x/cosx there are a number of answer to this question.

OpenStudy (agreene):

sin^2 x/cosx *

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