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Nazyma
Need Help
You know you can take pictures by pressing FN and PRTSCRN at the same time, right?
What it has to do with the solution?
it has to do that she is telling you how to better present us with the problem so we can do YOUR homework for you.
literally, a screen shot.
I honestly don't know...
sinh 2x = sinh ( x + x) sinh 2x = cosh x * sinh x + sinh x *coshx
This problem is making use of the identity: \[\sinh(x+y) = \sinh(x)\cosh(y)+\cosh(x)\sinh(y)\] So putting y=x: \[\sinh(x+x) = \sinh(x)\cosh(x)+\cosh(x)\sinh(x)\]