hyperbolic functions Flashcards
1
Q
derivative of tanhx
A
sech^2
2
Q
derivative of sechx
A
-tanhxsechx
3
Q
derivative cosechx
A
-cothx cosechx
4
Q
derivative of cothx
A
-cosech^2x
5
Q
inverse of tanhx
A
1/2 ln(1+x/1-x)
6
Q
to find the inverse what are the steps
A
- write in exponential form
- form a quadratic
- solve for x
- this is the inverse
7
Q
sinh^2x is equal to
A
(cosh2x - 1) /2
8
Q
cosh^2x is equal to
A
(1+ cosh2x )/ 2
