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Category: Limits

lim-x-0-tan-x-sin-x-2-4-sin-3-2x-

Question Number 105643 by john santu last updated on 30/Jul/20 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{tan}\:\left({x}−\mathrm{sin}\:{x}\right)}{\mathrm{2}−\sqrt{\mathrm{4}+\mathrm{sin}\:^{\mathrm{3}} \:\mathrm{2}{x}}} \\ $$ Answered by bramlex last updated on 30/Jul/20 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{tan}\:\left({x}−\left({x}−\frac{\mathrm{1}}{\mathrm{6}}{x}^{\mathrm{3}} \right)\right)}{\mathrm{2}−\mathrm{2}\sqrt{\mathrm{1}+\frac{\mathrm{sin}\:^{\mathrm{3}}…

lim-x-0-tan-cos-2x-1-2x-2-

Question Number 105614 by bemath last updated on 30/Jul/20 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{tan}\:\left(\mathrm{cos}\:\mathrm{2}{x}−\mathrm{1}\right)}{\mathrm{2}{x}^{\mathrm{2}} }\:? \\ $$ Commented by PRITHWISH SEN 2 last updated on 30/Jul/20 $$\mathrm{let}\:\mathrm{cos2x}−\mathrm{1}=\mathrm{t}\Rightarrow\mathrm{x}\rightarrow\mathrm{0}\:\mathrm{then}\:\mathrm{t}\rightarrow\mathrm{0} \\…