User:Darkpulsaromega/Sandbox

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[edit] Math Sandbox

[edit] Calculus

f'(c) = \lim_{h \to 0}\frac{f(c + h) - f(c)}{h}
\int_{a}^{b}f(x)dx = \lim_{n \to \infty}\sum_{i=1}^n f(x_i^*)\Delta x

[edit] Physics

v = \sqrt{\frac{F}{p}}
v = f\lambda\!

[edit] Math Problem Solution

\frac{\tan{x}}{\sec{x}-cos{x}}
\frac{\sin{x}}{\cos{x}(\sec{x} - \cos{x})}
\frac{\sin{x}}{1 - \cos^2{x}}
\frac{\sin{x}}{\sin^2{x}}
\frac{1}{\sin{x}} = \csc{x}