Question

can some one help me prove sinh(-x)=-sinh(x)
@Mathematics

Answer 1

sinh(x)= (e^(x)-e^(-x))/2

So

sinh(-x) = (e^(-x)-e^(-(-x)))/2 = (e^(-x)-e^(x))/2 = -(e^(x)-e^(-x))/2 = -sinh(x)

Answer 2

whats the numertator of the following rational expression
a/b + 6/b = ?/b

Answer 3

its a+6