Im stuck on the following problem and would greatly appreciate any help.
Using the exponential definitions of coshx and sinhx
and
show that
I know that it obviously involves use of the double angle formula but just cant get it work. Cheers
Im stuck on the following problem and would greatly appreciate any help.
Using the exponential definitions of coshx and sinhx
and
show that
I know that it obviously involves use of the double angle formula but just cant get it work. Cheers