Can you please prove sinh(2x)= 2 sinh(x) cos(x)?

1 Answer
May 12, 2018

R.H.S=2sinh(x)cosh(x)=2[exex2][ex+ex2]=

[e2x+11e2x2]=e2xe2x2=sinh(2x)=L.H.S

Explanation:

show below

sinh(2x)=2sinh(x)cosh(x)

R.H.S=2sinh(x)cosh(x)=2[exex2][ex+ex2]=

[e2x+11e2x2]=e2xe2x2=sinh(2x)=L.H.S