3.11 Homework - Hyperbolic Functions (Homework)

1. [-/1 Points] DETAILS SCALCET9 3.11.002. MY NOTES ASK YOUR TEACHER Find the numerical value of each expression. (Round your answers to five decimal places.) (a) tanh(0) (b) tanh(1) Need Help? Read It 2. [-/1 Points] DETAILS SCALCET9 3.11.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the numerical value of each expression. (Round your answers to five decimal places.) (a) cosh( In(4) ) (b) cosh(4) Need Help? Read It Watch It3. [-/1 Points] DETAILS SCALCET9 3.11.006. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the numerical value of each expression. (Round your answers to five decimal places.) (a) sinh(3) (b) sinh -1(3) Need Help? Read It 4. [-/1 Points] DETAILS SCALCET9 3.11.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Write 9 sinh(x) + 4 cosh(x) in terms of ex and ex. )ex + (1 Need Help? Read It5. [-/1 Points] DETAILS SCALCET9 3.11.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Write sinh(3 In(x)) as a rational function of x. Need Help? Read It 6. [-/1 Points] DETAILS SCALCET9 3.11.012. MY NOTES ASK YOUR TEACHER Prove the identity. cosh(-x) = cosh(x) (This shows that cosh is an even function.) cosh(-x) = = re-(-x )) = - + ex ) = cosh(x) Need Help? Read It