\[ \alpha \sin (\omega t) + \beta \cos(\omega t) = 1 \]

\[ a x + b = c \]

\[ ax^2 + bx + c = 0 \]

\[ | a(x) | = b(x) \]

\[ a b^x = c \]

\[ \frac{p(x)}{q(x)} = r(x) \]

\[ \sqrt{a(x)} = b(x) \]

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