i have a test tomorrow but i have no idea how to do these probelms...(adsbygoogle = window.adsbygoogle || []).push({});

1) lim x->0 sin2x/sin5x

2) write an equation for the stright line through (1,0) that is tangent to the graph of y= x + 1/x....

thanks in advance

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# Limits and derivatives

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