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OpenStudy (anonymous):
Find limit as x approaches 0. 4x/tanx. I'm stuck after 4(1-sin^2x)/sinx.
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OpenStudy (anonymous):
|dw:1346995197793:dw|
OpenStudy (anonymous):
no it's x--->0. 4x/tanx. sorry.
hartnn (hartnn):
how did u get that? thats incorrect.
OpenStudy (anonymous):
use l'hopitals rule
OpenStudy (anonymous):
I multiplied 4x by cosx/sinx and got 4cos^2x/sinx.
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hartnn (hartnn):
|dw:1346995382733:dw| did u get that? use sin x/x formula
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