Primitive of Secant Function/Also presented as
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Primitive of Secant Function: Also presented as
Some sources present this result as the primitive of the reciprocal of the cosine function:
\(\ds \int \dfrac {\d x} {\cos x}\) | \(=\) | \(\ds \ln \size {\sec x + \tan x} + C\) | ||||||||||||
\(\ds \int \dfrac {\d x} {\cos x}\) | \(=\) | \(\ds \ln \size {\map \tan {\frac x 2 + \frac \pi 4} } + C\) |
Sources
- 1976: K. Weltner and W.J. Weber: Mathematics for Engineers and Scientists ... (previous) ... (next): $6$. Integral Calculus: Appendix: Table of Fundamental Standard Integrals