Hyperbolic Functions 2 (AQA A-Level Further Maths): Quizzes

$\frac{1}{2}(e^x - e^{-x})$

$\ln(x + \sqrt{x^2 - 1})$

$x \geq 1$

$\cosh^2 x - \sinh^2 x \equiv 1$

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

$x = 0$

$2\sinh x \cosh x$

$1$

$-1 < f(x) < 1$

$1 - \tanh^2 x \equiv \text{sech}^2 x$