Postfix and Prefix [closed]

Question

Conver the following infix to Postfix and Prefix 

1.  $log ( 3 ! )^ {log4} *log log ((6/7)*4+x)!$
2. $ sin 2x cos (3x+4) $
    

Please use stack method to solve . Diagram would be appreciated 

Comments

@vijaycs

One such question is here, rt ?

https://gateoverflow.in/70534/infix-to-postfix

Also, making expression tree looks easy as the second answer does !! 

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@Kapil, yes.

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I believe a correction is required in the 1st. The exponentiation takes second precedence and is after the log is done. so

3!log4log^67/4*X+loglog!*