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**flaming** Hello i was wondering if someone could help me out and show me how to solve the following heat wave problem.We dont have a book for this class and i couldnt make it to my last class so i dont knoow how to go about this question

Solve the wave equation using seperation of variables and show thte the solution reduces to D'Alembert's solution

$\displaystyle \mu_{tt} = c^2\mu_{xx} $

$\displaystyle \mu(0,t) = 0$

$\displaystyle \mu(L,t) = 0$

$\displaystyle \mu(x,0) = f(x)$

$\displaystyle \mu_t(x,0) = 0$