Integration
Standard mathematical integrals
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Integration
| \(x^n\:dx\) | \(= \frac{x^{n\,+\,1}}{n+1}\) for all values of n except n = - 1 |
| \( \frac{1}{x}\:dx \) | \( = \ln\:x\) |
| \( e^x\:dx \) | \( = e^x\) |
| \(\int_{}^{}\sin\:x\:dx \) | \( = -\cos\:x \) |
| \( \int_{}^{}\cos\:x\:dx \) | \( = \;\sin\:x \) |
| \( \int \tan\:x\:dx\) | \( = -\ln \cos x \) |
| \( \int \sec^2\:x\:dx \) | \( = tan\:x \) |
| \( \int \frac{1}{a^2 + x^2}\:dx \) | \( = \frac{1}{a} \tan^{-1}\frac{x}{a} \) |
| \( \int \frac{1}{a^2 - x^2}\:dx \) | \(= \frac{1}{2a} \ln \frac{a + x}{a - x} \frac{1}{a} \tanh^{-1}\frac{x}{a} \) |
| \( \int \frac{1}{x^2 - a^2}\:dx \) | \(= \frac{1}{2\,a} \ln \left(\frac{x-a}{x+a} \right) = -\frac{1}{a} \coth^{-1}\frac{x}{a} \) |
| \( \int \frac{1}{\sqrt[]{(a^2}-x^2)}\:dx \) | \( = \sin^{-1} \frac{x}{a} \) |
| \( \int \frac{1}{\sqrt[]{(a^2\:+\:x^2})}\:dx \) | \( = \ln\left(x + \sqrt{(x^2\:+\:a^2)} \right) = \sinh^{-1} \frac{x}{a} \) |
| \( \int \frac{1}{\sqrt]{(x^2\:-\:a^2)}}\:dx \) | \( = Ln\left(x\:+\:\sqrt{(x^2\:-\:a^2}) \right) \) |
INTEGRATION OF THE SQUARES OF THE CIRCULAR FUNCTIONS
| \( \int \sin^2 x\:dx \) | \( = \frac{1}{2} x - \frac{1}{4}\:\sin 2x \) |
| \( \int \cos^2 x\:dx \) | \( = \frac{1}{2}x + \frac{1}{4} \sin\:2\,x\) |
| \(\int \tan^2\:x\:dx \) | \( = (\tan x) - x \) |
| \( \int \cot^2 x\:dx \) | \( = -\:(\cot x)-x \) |
| \( \int \textup{cosec}\:x\:dx \) | \( = -\cot x \) |