Added Solve'Divide, a solving technique useful for equations like Sin(x)+Cos(x)==0, which works by dividing through by the first term in an expression and checking to see if this is easier to solve.
Added Solve'Divide, a solving technique useful for equations like
Sin(x)+Cos(x)==0, which works by dividing through by the first term
in an expression and checking to see if this is easier to solve.

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