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    Let C be the standard hyperbola (x^2/a^2)-(y^2/b^2)=1
    Show the the tangents of the angles between the asymptotes of C and the x-axis are sqrt(e^2-1) and -sqrt(e^2-1).
    Can someone help me please and how I can get started?
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    We'll, do you know how to find the asymptotes?
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    (Original post by DFranklin)
    We'll, do you know how to find the asymptotes?
    Well you do x/a +- y/b=0 right?
    Thats for hyperbola?
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    Ok. So rewrite in the form y=mx+c (c Willbe 0). What is the tangent of the angle this line makes with the x-axis?
 
 
 
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