![An elementary course of infinitesimal calculus . nd figure. Hence thearea of the hyperbolic sector AOP is lPN.0N-a.rQ3.PAN=lu (10). We have here an analogy between the amplitude (m) of thehyperbolic functions cosh An elementary course of infinitesimal calculus . nd figure. Hence thearea of the hyperbolic sector AOP is lPN.0N-a.rQ3.PAN=lu (10). We have here an analogy between the amplitude (m) of thehyperbolic functions cosh](https://c8.alamy.com/comp/2AXKB2E/an-elementary-course-of-infinitesimal-calculus-nd-figure-hence-thearea-of-the-hyperbolic-sector-aop-is-lpn0n-arq3pan=lu-10-we-have-here-an-analogy-between-the-amplitude-m-of-thehyperbolic-functions-cosh-it-sinh-u-c-and-the-amplitude-of-the-circular-functions-cos-0-sin-6-c-viz-the-independentvariable-in-each-case-represents-twice-the-sectorial-area-aopcorresponding-to-the-point-p-whose-coordinates-are-cosh-itsinh-it-or-cos-b-sin-6-respectively-in-the-case-of-the-general-hyperbola-s-f-=-the-coordinates-of-any-point-on-the-positive-branch-may-berepresented-2AXKB2E.jpg)
An elementary course of infinitesimal calculus . nd figure. Hence thearea of the hyperbolic sector AOP is lPN.0N-a.rQ3.PAN=lu (10). We have here an analogy between the amplitude (m) of thehyperbolic functions cosh
![SOLVED: u(c,t) = 2cos(2t) sin(z) 5 cos(6t) sin(3.) COS (8t) sin(4x) 2 u(x,t) cos(2nt) sin(nz) T n=l u(z,t) 2 cos(2t) sin(x) 5 cos(6t) sin(3.) + cos (8t) sin(4x +2sin(2t) sin(c) 5 sin(6t) SOLVED: u(c,t) = 2cos(2t) sin(z) 5 cos(6t) sin(3.) COS (8t) sin(4x) 2 u(x,t) cos(2nt) sin(nz) T n=l u(z,t) 2 cos(2t) sin(x) 5 cos(6t) sin(3.) + cos (8t) sin(4x +2sin(2t) sin(c) 5 sin(6t)](https://cdn.numerade.com/ask_images/3db13077b0614a11b18832f201676e7d.jpg)
SOLVED: u(c,t) = 2cos(2t) sin(z) 5 cos(6t) sin(3.) COS (8t) sin(4x) 2 u(x,t) cos(2nt) sin(nz) T n=l u(z,t) 2 cos(2t) sin(x) 5 cos(6t) sin(3.) + cos (8t) sin(4x +2sin(2t) sin(c) 5 sin(6t)
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