Primitive of Reciprocal of Cosine of a x
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Theorem
Logarithm of Secant plus Tangent Form
- $\ds \int \frac {\d x} {\cos a x} = \frac 1 a \ln \size {\sec a x + \tan a z}$
Logarithm of Tangent Form
- $\ds \int \frac {\d x} {\cos a x} = \frac 1 a \ln \size {\map \tan {\frac \pi 4 + \frac {a x} 2} } + C$