7. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALC9 6.7.028. MY NOTES ASK YOUR T Prove the formulas given in this table for the derivatives of the following functions. Which of the following are proven correctly? (Select all that apply.) O ( csch(x) ) = d 1 cosh(x) 1 cosh(x) = -csch(x) coth(x) dx dx sinh(x) sinh(x) sinh(x) sinh(x) O ( sech (x) ) = - d 1 sinh(x) 1 = . sinh(x) = -sech(x) tanh(x) dx dx cosh(x) cosh (x) cosh(x) cosh(x) O d (tanh(x) ) = - d sinh(x) sinh(x) sinh(x) - cosh(x) cosh(x) _sinh?(x) - cosh2(x) 1 = = sech (x) dx dx cosh(x) sinh (x) sinh (x) sinh (x) 1 O (coth(x) ) = - d / sinh(x) cosh(x) cosh(x) - sinh(x) sinh(x) _ cosh2(x) - sinh2(x) = -csch(x) dx dx cosh(x) cosh (x) cosh 2(x) cosh (x) O e - x ) = (ex + e-x) = sinh(x) dx ( cosh (x) ) = (ex - X Need Help? Read It