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Evaluate the following limits: `lim_(xrarr0)((cot2x-cosecex))/(x)` |
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Answer» Correct Answer - `-1` Given limit `=lim_(xto0)((cos2x-1))/(xsin2x)=lim_(xto0)(-(1-cos2x))/(xsin2x)` `=lim_(xto0)(-2sin^(2)x)/(2xsinxcosx)=-lim_(xto0)(tanx)/(x)=-1.` |
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