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If-sin-sin-a-and-cos-cos-b-find-the-value-of-tan-2-in-terms-of-a-and-b-

Question Number 38743 by kunal1234523 last updated on 29/Jun/18 $$\mathrm{If}\:\mathrm{sin}\:\theta\:+\:{sin}\:\phi\:=\:{a}\:\mathrm{and}\:\mathrm{cos}\:\theta\:+\:\mathrm{cos}\:\phi\:=\:{b},\: \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{tan}\:\frac{\theta−\phi}{\mathrm{2}}\left({in}\:{terms}\:{of}\:{a}\:{and}\:{b}\right). \\ $$ Answered by math1967 last updated on 29/Jun/18 $$\mathrm{sin}\:\theta+\mathrm{sin}\:\phi={a} \\ $$$$\mathrm{2sin}\:\frac{\theta+\phi}{\mathrm{2}}\mathrm{cos}\:\frac{\theta−\phi}{\mathrm{2}}={a} \\…

7-2-0-2-of-10-0-6-0-3-0-8-0-6-

Question Number 38741 by jasno91 last updated on 29/Jun/18 $$\mathrm{7}.\mathrm{2}+\left[\mathrm{0}.\mathrm{2}\:{of}\:\mathrm{10}−\left\{\mathrm{0}.\mathrm{6}+\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}−\mathrm{0}.\mathrm{6}\right\}\right] \\ $$ Commented by MrW3 last updated on 29/Jun/18 $$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}−\left\{\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}\right\}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}+\mathrm{0}.\mathrm{5}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\mathrm{2}.\mathrm{5} \\…

soit-f-x-y-x-5-y-2-x-y-montrer-q-ue-f-est-differentiable-au-point-a-2-1-applique-en-h-1-1-

Question Number 169800 by SANOGO last updated on 09/May/22 $${soit}\:{f}\left({x},{y}\right)={x}^{\mathrm{5}} {y}^{\mathrm{2}} \left({x}−{y}\right) \\ $$$${montrer}\:{q}\:{ue}\:{f}\:{est}\:{differentiable}\:{au}\:{point}\:{a}=\left(\mathrm{2}−\mathrm{1}\right) \\ $$$${applique}\:{en}\:{h}=\left(\mathrm{1},\mathrm{1}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

dy-dx-y-sinx-

Question Number 104265 by mohammad17 last updated on 20/Jul/20 $$\frac{{dy}}{{dx}}−{y}={sinx} \\ $$ Answered by bemath last updated on 20/Jul/20 $${Homogenous}\:{solution}\: \\ $$$$\lambda−\mathrm{1}=\mathrm{0}\:\Rightarrow\lambda=\mathrm{1}\:\Rightarrow{y}_{{h}} \:=\:{C}_{\mathrm{1}} {e}^{{x}} \\…