So what does equal?
I tried simplifying it and got
but this calculates into 54.579 when the answer is -.964
I could use a calculator and figure out the answer from the point
Im trying to figure out where my algebra mistake is b/c my professor forbids calculators on our test which is tomorrow. Help?
Of course, the definition of "tanh" is as you have.
What Prove It did was multiply both numerator and denominator by to get
You are (almost) correct to (each "2" should be "-2") but I cannot imagine how you then wrote that fraction as four added and subtracted terms If you multiply numerator and denominator of
by you get