Build the hyperbolic definitions

Exercise and reference answers

Missing parts

1. Answer

   +

   Choices

   1. +
   2. −
   3. ×

2. Answer

   −

   Choices

   1. +
   2. −
   3. ×

3. Answer

   1

   Choices

   1. 1
   2. 0
   3. −1

Complete the statement

cosh x = ½(e^x {0} e^(−x)) and sinh x = ½(e^x {1} e^(−x)), and the identity linking them is cosh²x − sinh²x = {2}.

Instructions

Tap the right expression into each blank.