9709/22 · May/June 2023

Solve an equation in sec and tan.

Constants from a straight-line graph of ln y against x.

Exact area under a reciprocal-type curve.

Sketch graphs, locate a root and iterate.

Exact gradient at an intercept and the exact maximum point.

Prove an identity, an exact value, and integrate a trigonometric product.

Parametric differentiation: where the gradient is 1.