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Mathematics 15 Online
OpenStudy (anonymous):

In the following graph, find 7tanx+1

OpenStudy (anonymous):

OpenStudy (anonymous):

d

OpenStudy (anonymous):

Why d?

OpenStudy (anonymous):

Find OP (=AP=OD) => OA Find AD (=AB) We see that tan(angle(BOA))=tan(x+pi/4)=tan(x)+1/(1-tan(x))=AB/OA Solve for tan(x), then use it to evaluate 7tan(x)+1

OpenStudy (anonymous):

I see it now, thanks!

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