Question Number 1018 by prakash jain last updated on 15/May/15 $$\mathrm{Find} \\ $$$$\mathrm{tan}\:\theta+\mathrm{2tan}\:\mathrm{2}\theta+\mathrm{2}^{\mathrm{2}} \mathrm{tan}\:\mathrm{2}^{\mathrm{2}} \theta+…+\mathrm{2}^{{n}} \mathrm{tan}\:\mathrm{2}^{{n}} \theta \\ $$ Answered by prakash jain last updated…
Question Number 132091 by rs4089 last updated on 11/Feb/21 $${evaluate}\: \\ $$$$\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \frac{{da}.{db}.{dc}.{dd}.{df}}{\mathrm{1}−{abcdf}} \\ $$ Answered…
Question Number 132090 by rs4089 last updated on 11/Feb/21 $${evaluate}\:\int_{−\infty} ^{\infty} \frac{{cosx}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$ Answered by Olaf last updated on 11/Feb/21 $$\Omega\:=\:\int_{−\infty} ^{+\infty}…
Question Number 1016 by 123456 last updated on 14/May/15 $$\left[\left(\overset{\rightarrow} {{x}}×\overset{\rightarrow} {{a}}\right)×\overset{\rightarrow} {{b}}\right]×\overset{\rightarrow} {{x}}=\overset{\rightarrow} {{c}} \\ $$ Answered by rpatle69@gmail.com last updated on 14/May/15 $$\left[−\overset{\rightarrow}…
Question Number 66550 by Tony Lin last updated on 17/Aug/19 $$\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\frac{{y}}{\mathrm{2}}\:} ^{\frac{\mathrm{1}}{\mathrm{2}}\:} {e}^{−{x}^{\mathrm{2}} } {dxdy}=? \\ $$ Commented by ~ À ® @…
Question Number 66548 by AnjanDey last updated on 17/Aug/19 $$\boldsymbol{{Evaluate}}:\int\sqrt{{x}\sqrt{{x}+\mathrm{1}}\:}{dx} \\ $$ Commented by AnjanDey last updated on 19/Aug/19 $${Please}\:{evaluate}\:{this}\:{integral}…{It}'{s}\:{very}\:{needful}\:{and}\:{urgent}… \\ $$ Terms of Service…
Question Number 132086 by SLVR last updated on 11/Feb/21 $$ \\ $$ Commented by mr W last updated on 11/Feb/21 $${it}'{s}\:{getting}\:{boring}! \\ $$$${please}\:{stop}\:{posting}\:{empty}\:{posts}\:{sir}! \\ $$$${try}\:{to}\:{study}\:{how}\:{to}\:{use}\:{the}\:{forum}\:{by}…
Question Number 66549 by aditya@345 last updated on 17/Aug/19 $$\frac{\mathrm{n}^{\mathrm{2}} !}{\left(\mathrm{n}!\right)^{\mathrm{n}} }=\mathrm{natural}\:\mathrm{number}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 1012 by rpatle69@gmail.com last updated on 13/May/15 $${find}\:{the}\:{equation}\:{of}\:{circle}\:{whose} \\ $$$${parametric}\:{form}\:{is}\:{given}\:{by}\: \\ $$$${x}=\mathrm{3cos}\:\theta+\mathrm{5}\:{and}\:{y}=\:\mathrm{3sin}\:\theta−\mathrm{7}\:{and} \\ $$$${second}\:{part}\:{is}\:{x}=\mathrm{4cos}\:\theta−\mathrm{3}\:{and} \\ $$$${y}=\mathrm{4sin}\:\theta+\mathrm{4}.\:{find}\:{centre}\:{and}\: \\ $$$${radius}\:{of}\:{above}\:{circle}. \\ $$$$ \\ $$$$ \\…
Question Number 132081 by liberty last updated on 11/Feb/21 $$\mathrm{Prove}\:\mathrm{tan}\:\left(\mathrm{A}+\mathrm{B}\right)−\mathrm{tan}\:\mathrm{A}=\:\frac{\mathrm{sin}\:\mathrm{B}}{\mathrm{cos}\:\mathrm{A}\:\mathrm{cos}\:\left(\mathrm{A}+\mathrm{B}\right)} \\ $$ Answered by rs4089 last updated on 11/Feb/21 $${tan}\left({A}+{B}\right)−{tanA} \\ $$$$\frac{{sin}\left({A}+{B}\right)}{{cos}\left({A}+{B}\right)}−\frac{{sinA}}{{cosA}} \\ $$$$\frac{{sin}\left({A}+{B}\right).{cosA}−{sinA}.{cos}\left({A}+{B}\right)}{{cos}\left({A}+{B}\right).{cosA}} \\…