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Exercise

$\sinh\left(a+b\right)=\sinh\left(a\right)\cosh\left(b\right)+\cosh\left(a\right)sinh\left(b\right)$

Step-by-step Solution

1

Starting from the left-hand side (LHS) of the identity

$\mathrm{sinh}\left(a+b\right)$
2

Since the expression on the left of the equality is too simple, it's not clear how we can proceed to prove the identity from there. Although we know that the identity is true

true

Final answer to the exercise

true

Try other ways to solve this exercise

  • Prove from RHS (right-hand side)
  • Prove from LHS (left-hand side)
  • Express everything into Sine and Cosine
  • Exact Differential Equation
  • Linear Differential Equation
  • Separable Differential Equations
  • Homogeneous Differential Equation
  • Integrate by partial fractions
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  • FOIL Method
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