Integration 2 (AQA A-Level Further Maths): Quizzes

$\cosh x$

$\operatorname{sech}^2 x$

No sign changes occur

$\frac{1}{\cosh x}$

$-\operatorname{sech} x \tanh x$

$\sinh x + c$

$\ln \cosh x + c$

$\frac{1}{\sqrt{x^2 + 1}}$

$x = a\sinh u$

$x = a\cosh u$